diff -ur chrome/browser/about_flags.cc chromium-69.0.3497.92/chrome/browser/about_flags.cc
--- chrome/browser/about_flags.cc	2018-09-12 00:39:23.000000000 +0530
+++ chrome/browser/about_flags.cc	2018-09-13 22:10:33.938016199 +0530
@@ -1238,12 +1238,14 @@
     {"ui-disable-partial-swap", flag_descriptions::kUiPartialSwapName,
      flag_descriptions::kUiPartialSwapDescription, kOsAll,
      SINGLE_DISABLE_VALUE_TYPE(switches::kUIDisablePartialSwap)},
+#if defined(OS_CHROMEOS) || defined(OS_ANDROID)
     {"disable-webrtc-hw-decoding", flag_descriptions::kWebrtcHwDecodingName,
      flag_descriptions::kWebrtcHwDecodingDescription, kOsAndroid | kOsCrOS,
      SINGLE_DISABLE_VALUE_TYPE(switches::kDisableWebRtcHWDecoding)},
     {"disable-webrtc-hw-encoding", flag_descriptions::kWebrtcHwEncodingName,
      flag_descriptions::kWebrtcHwEncodingDescription, kOsAndroid | kOsCrOS,
      SINGLE_DISABLE_VALUE_TYPE(switches::kDisableWebRtcHWEncoding)},
+#endif
     {"enable-webrtc-hw-h264-encoding",
      flag_descriptions::kWebrtcHwH264EncodingName,
      flag_descriptions::kWebrtcHwH264EncodingDescription, kOsAndroid | kOsCrOS,
@@ -1612,6 +1614,13 @@
      flag_descriptions::kShowTouchHudDescription, kOsCrOS,
      SINGLE_VALUE_TYPE(ash::switches::kAshTouchHud)},
 #endif  // OS_CHROMEOS
+#if defined(OS_LINUX) && !defined(OS_CHROMEOS) && !defined(OS_ANDROID)
+    {
+        "enable-accelerated-video", flag_descriptions::kAcceleratedVideoName,
+        flag_descriptions::kAcceleratedVideoDescription, kOsLinux,
+        SINGLE_VALUE_TYPE(switches::kEnableAcceleratedVideo),
+    },
+#else
     {
         "disable-accelerated-video-decode",
         flag_descriptions::kAcceleratedVideoDecodeName,
@@ -1619,6 +1628,7 @@
         kOsMac | kOsWin | kOsCrOS | kOsAndroid,
         SINGLE_DISABLE_VALUE_TYPE(switches::kDisableAcceleratedVideoDecode),
     },
+#endif
 #if defined(OS_WIN)
     {"enable-hdr", flag_descriptions::kEnableHDRName,
      flag_descriptions::kEnableHDRDescription, kOsWin,
@@ -2291,12 +2301,17 @@
      FEATURE_VALUE_TYPE(features::kOpenVR)},
 #endif  // ENABLE_OPENVR
 #endif  // ENABLE_VR
-#if defined(OS_CHROMEOS)
+#if defined(OS_LINUX) && !defined(OS_CHROMEOS) && !defined(OS_ANDROID)
+    {"enable-accelerated-mjpeg-decode",
+     flag_descriptions::kAcceleratedMjpegDecodeName,
+     flag_descriptions::kAcceleratedMjpegDecodeDescription, kOsLinux,
+     SINGLE_VALUE_TYPE(switches::kEnableAcceleratedMjpegDecode)},
+#elif defined(OS_CHROMEOS)
     {"disable-accelerated-mjpeg-decode",
      flag_descriptions::kAcceleratedMjpegDecodeName,
      flag_descriptions::kAcceleratedMjpegDecodeDescription, kOsCrOS,
      SINGLE_DISABLE_VALUE_TYPE(switches::kDisableAcceleratedMjpegDecode)},
-#endif  // OS_CHROMEOS
+#endif
     {"v8-cache-options", flag_descriptions::kV8CacheOptionsName,
      flag_descriptions::kV8CacheOptionsDescription, kOsAll,
      MULTI_VALUE_TYPE(kV8CacheOptionsChoices)},
Only in chrome/browser: about_flags.cc.orig
diff -ur chrome/browser/chromeos/login/chrome_restart_request.cc chromium-69.0.3497.92/chrome/browser/chromeos/login/chrome_restart_request.cc
--- chrome/browser/chromeos/login/chrome_restart_request.cc	2018-09-12 00:39:23.000000000 +0530
+++ chrome/browser/chromeos/login/chrome_restart_request.cc	2018-09-13 22:10:33.986014728 +0530
@@ -19,6 +19,7 @@
 #include "base/sys_info.h"
 #include "base/timer/timer.h"
 #include "base/values.h"
+#include "build/build_config.h"
 #include "cc/base/switches.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/chromeos/boot_times_recorder.h"
@@ -84,9 +85,14 @@
     ::switches::kDisable2dCanvasImageChromium,
     ::switches::kDisableAccelerated2dCanvas,
     ::switches::kDisableAcceleratedJpegDecoding,
+#if defined(OS_LINUX) && !defined(OS_CHROMEOS) && !defined(OS_ANDROID)
+    ::switches::kEnableAcceleratedMjpegDecode,
+    ::switches::kEnableAcceleratedVideo,
+#else
     ::switches::kDisableAcceleratedMjpegDecode,
     ::switches::kDisableAcceleratedVideoDecode,
     ::switches::kDisableAcceleratedVideoEncode,
+#endif
     ::switches::kDisableBlinkFeatures,
     ::switches::kDisableCastStreamingHWEncoding,
     ::switches::kDisableGpu,
@@ -160,8 +166,10 @@
     ::switches::kEnableWebGLImageChromium,
     ::switches::kEnableWebVR,
     ::switches::kEnableUnsafeWebGPU,
+#if (defined(OS_CHROMEOS) || defined(OS_ANDROID))
     ::switches::kDisableWebRtcHWDecoding,
     ::switches::kDisableWebRtcHWEncoding,
+#endif
     ::switches::kOzonePlatform,
     ash::switches::kAshEnableTabletMode,
     ash::switches::kAshEnableWaylandServer,
diff -ur chrome/browser/flag_descriptions.cc chromium-69.0.3497.92/chrome/browser/flag_descriptions.cc
--- chrome/browser/flag_descriptions.cc	2018-09-12 00:39:24.000000000 +0530
+++ chrome/browser/flag_descriptions.cc	2018-09-13 22:10:34.007014085 +0530
@@ -14,6+14,13 @@
     "Enables the use of the GPU to perform 2d canvas rendering instead of "
     "using software rendering.";
 
+#if defined(OS_LINUX) && !defined(OS_CHROMEOS) && !defined(OS_ANDROID)
+const char kAcceleratedVideoName[] = "Hardware-accelerated video";
+const char kAcceleratedVideoDescription[] =
+    "Hardware-accelerated video where VA-API driver is installed on the"
+    "system.";
+#endif
+
 const char kAcceleratedVideoDecodeName[] = "Hardware-accelerated video decode";
 const char kAcceleratedVideoDecodeDescription[] =
     "Hardware-accelerated video decode where available.";
@@ -1986,6 +1993,7 @@
 const char kWebrtcEchoCanceller3Description[] =
     "Experimental WebRTC echo canceller (AEC3).";
 
+#if defined(OS_CHROMEOS) || defined(OS_ANDROID)
 const char kWebrtcHwDecodingName[] = "WebRTC hardware video decoding";
 const char kWebrtcHwDecodingDescription[] =
     "Support in WebRTC for decoding video streams using platform hardware.";
@@ -1993,6 +2001,7 @@
 const char kWebrtcHwEncodingName[] = "WebRTC hardware video encoding";
 const char kWebrtcHwEncodingDescription[] =
     "Support in WebRTC for encoding video streams using platform hardware.";
+#endif
 
 const char kWebrtcHwH264EncodingName[] = "WebRTC hardware h264 video encoding";
 const char kWebrtcHwH264EncodingDescription[] =
@@ -2892,14 +2901,16 @@
 
 // Chrome OS -------------------------------------------------------------------
 
-#if defined(OS_CHROMEOS)
+#if defined(OS_CHROMEOS) || (defined(OS_LINUX) && !defined(OS_ANDROID))
 
 const char kAcceleratedMjpegDecodeName[] =
     "Hardware-accelerated mjpeg decode for captured frame";
 const char kAcceleratedMjpegDecodeDescription[] =
     "Enable hardware-accelerated mjpeg decode for captured frame where "
     "available.";
+#endif
 
+#if defined(OS_CHROMEOS)
 const char kAllowTouchpadThreeFingerClickName[] = "Touchpad three-finger-click";
 const char kAllowTouchpadThreeFingerClickDescription[] =
     "Enables touchpad three-finger-click as middle button.";
diff -ur chrome/browser/flag_descriptions.h chromium-69.0.3497.92/chrome/browser/flag_descriptions.h
--- chrome/browser/flag_descriptions.h	2018-09-12 00:39:24.000000000 +0530
+++ chrome/browser/flag_descriptions.h	2018-09-13 22:10:34.030013380 +0530
@@ -37,6 +37,10 @@
 extern const char kAccelerated2dCanvasName[];
 extern const char kAccelerated2dCanvasDescription[];
 
+#if defined(OS_LINUX) && !defined(OS_CHROMEOS) && !defined(OS_ANDROID)
+extern const char kAcceleratedVideoName[];
+extern const char kAcceleratedVideoDescription[];
+#endif
 extern const char kAcceleratedVideoDecodeName[];
 extern const char kAcceleratedVideoDecodeDescription[];
 
@@ -1762,13 +1766,17 @@
 
 #endif  // defined(OS_MACOSX)
 
-// Chrome OS ------------------------------------------------------------------
-
-#if defined(OS_CHROMEOS)
+#if defined(OS_CHROMEOS) || (defined(OS_LINUX) && !defined(OS_ANDROID))
 
 extern const char kAcceleratedMjpegDecodeName[];
 extern const char kAcceleratedMjpegDecodeDescription[];
 
+#endif
+
+// Chrome OS ------------------------------------------------------------------
+
+#if defined(OS_CHROMEOS)
+
 extern const char kAllowTouchpadThreeFingerClickName[];
 extern const char kAllowTouchpadThreeFingerClickDescription[];
 
diff -ur content/browser/gpu/compositor_util.cc chromium-69.0.3497.92/content/browser/gpu/compositor_util.cc
--- content/browser/gpu/compositor_util.cc	2018-09-12 00:39:41.000000000 +0530
+++ content/browser/gpu/compositor_util.cc	2018-09-13 22:10:34.072012092 +0530
@@ -149,7 +149,11 @@
       {"video_decode",
        SafeGetFeatureStatus(gpu_feature_info,
                             gpu::GPU_FEATURE_TYPE_ACCELERATED_VIDEO_DECODE),
+#if defined(OS_LINUX) && !defined(OS_CHROMEOS) && !defined(OS_ANDROID)
+       !command_line.HasSwitch(switches::kEnableAcceleratedVideo),
+#else
        command_line.HasSwitch(switches::kDisableAcceleratedVideoDecode),
+#endif
        "Accelerated video decode has been disabled, either via blacklist, "
        "about:flags or the command line.",
        true, true},
diff -ur content/browser/gpu/gpu_process_host.cc chromium-69.0.3497.92/content/browser/gpu/gpu_process_host.cc
--- content/browser/gpu/gpu_process_host.cc	2018-09-12 00:39:41.000000000 +0530
+++ content/browser/gpu/gpu_process_host.cc	2018-09-13 22:10:34.113010836 +0530
@@ -209,7 +209,9 @@
     switches::kDisableLogging,
     switches::kDisableShaderNameHashing,
     switches::kDisableSkiaRuntimeOpts,
+#if !defined(OS_LINUX)
     switches::kDisableWebRtcHWEncoding,
+#endif
 #if defined(OS_WIN)
     switches::kEnableAcceleratedVpxDecode,
 #endif
diff -ur content/browser/renderer_host/media/video_capture_browsertest.cc chromium-69.0.3497.92/content/browser/renderer_host/media/video_capture_browsertest.cc
--- content/browser/renderer_host/media/video_capture_browsertest.cc	2018-09-12 00:39:41.000000000 +0530
+++ content/browser/renderer_host/media/video_capture_browsertest.cc	2018-09-13 22:10:34.124010499 +0530
@@ -165,8 +165,13 @@
       base::CommandLine::ForCurrentProcess()->AppendSwitch(
           switches::kUseFakeJpegDecodeAccelerator);
     } else {
+#if defined(OS_LINUX) && !defined(OS_CHROMEOS) && !defined(OS_ANDROID)
+      base::CommandLine::ForCurrentProcess()->AppendSwitch(
+          switches::kEnableAcceleratedMjpegDecode);
+#else
       base::CommandLine::ForCurrentProcess()->AppendSwitch(
           switches::kDisableAcceleratedMjpegDecode);
+#endif
     }
   }
 
diff -ur content/browser/renderer_host/render_process_host_impl.cc chromium-69.0.3497.92/content/browser/renderer_host/render_process_host_impl.cc
--- content/browser/renderer_host/render_process_host_impl.cc	2018-09-12 00:39:41.000000000 +0530
+++ content/browser/renderer_host/render_process_host_impl.cc	2018-09-13 22:10:34.133010223 +0530
@@ -2798,7 +2798,11 @@
     switches::kDefaultTileHeight,
     switches::kDisable2dCanvasImageChromium,
     switches::kDisableAcceleratedJpegDecoding,
+#if defined(OS_LINUX) && !defined(OS_CHROMEOS)
+    switches::kEnableAcceleratedVideo,
+#else
     switches::kDisableAcceleratedVideoDecode,
+#endif
     switches::kDisableBackgroundTasks,
     switches::kDisableBackgroundTimerThrottling,
     switches::kDisableBreakpad,
@@ -2933,8 +2937,10 @@
 #if BUILDFLAG(ENABLE_RUNTIME_MEDIA_RENDERER_SELECTION)
     switches::kDisableMojoRenderer,
 #endif
+#if !defined(OS_LINUX) || defined(OS_CHROMEOS)
     switches::kDisableWebRtcHWDecoding,
     switches::kDisableWebRtcHWEncoding,
+#endif
     switches::kEnableWebRtcSrtpAesGcm,
     switches::kEnableWebRtcSrtpEncryptedHeaders,
     switches::kEnableWebRtcStunOrigin,
Only in content/browser/renderer_host: render_process_host_impl.cc.orig
diff -ur content/browser/utility_process_host.cc chromium-69.0.3497.92/content/browser/utility_process_host.cc
--- content/browser/utility_process_host.cc	2018-09-12 00:39:41.000000000 +0530
+++ content/browser/utility_process_host.cc	2018-09-13 22:10:34.296005227 +0530
@@ -296,7 +296,11 @@
       switches::kOverrideUseSoftwareGLForTests,
       switches::kOverrideEnabledCdmInterfaceVersion,
       switches::kProxyServer,
+#if defined(OS_LINUX) && !defined(OS_CHROMEOS) && !defined(OS_ANDROID)
+      switches::kEnableAcceleratedMjpegDecode,
+#else
       switches::kDisableAcceleratedMjpegDecode,
+#endif
       switches::kUseFakeDeviceForMediaStream,
       switches::kUseFakeJpegDecodeAccelerator,
       switches::kUseFileForFakeVideoCapture,
diff -ur content/browser/webrtc/webrtc_media_recorder_browsertest.cc chromium-69.0.3497.92/content/browser/webrtc/webrtc_media_recorder_browsertest.cc
--- content/browser/webrtc/webrtc_media_recorder_browsertest.cc	2018-09-12 00:39:41.000000000 +0530
+++ content/browser/webrtc/webrtc_media_recorder_browsertest.cc	2018-09-13 22:10:34.143009916 +0530
@@ -66,7 +66,12 @@
       return;
     // This flag is also used for encoding, https://crbug.com/616640.
     base::CommandLine::ForCurrentProcess()->AppendSwitch(
-        switches::kDisableAcceleratedVideoDecode);
+#if defined(OS_LINUX) && !defined(OS_CHROMEOS)
+        switches::kEnableAcceleratedVideo
+#else
+        switches::kDisableAcceleratedVideoDecode
+#endif
+        );
   }
 
  private:
diff -ur content/gpu/BUILD.gn chromium-69.0.3497.92/content/gpu/BUILD.gn
--- content/gpu/BUILD.gn	2018-09-12 00:39:41.000000000 +0530
+++ content/gpu/BUILD.gn	2018-09-13 22:10:34.148009763 +0530
@@ -133,4 +133,8 @@
       (!is_chromecast || is_cast_desktop_build)) {
     configs += [ "//build/config/linux/dri" ]
   }
+
+  if (is_desktop_linux) {
+    public_configs = [ "//media/gpu:libva_config" ]
+  }
 }
diff -ur content/gpu/gpu_main.cc chromium-69.0.3497.92/content/gpu/gpu_main.cc
--- content/gpu/gpu_main.cc	2018-09-12 00:39:41.000000000 +0530
+++ content/gpu/gpu_main.cc	2018-09-13 22:10:34.153009610 +0530
@@ -284,7 +284,7 @@
 
   base::PlatformThread::SetName("CrGpuMain");
 
-#if defined(OS_ANDROID) || defined(OS_CHROMEOS)
+#if defined(OS_LINUX)
   // Set thread priority before sandbox initialization.
   base::PlatformThread::SetCurrentThreadPriority(base::ThreadPriority::DISPLAY);
 #endif
@@ -317,7 +317,7 @@
   GetContentClient()->SetGpuInfo(gpu_init->gpu_info());
 
   base::ThreadPriority io_thread_priority = base::ThreadPriority::NORMAL;
-#if defined(OS_ANDROID) || defined(OS_CHROMEOS)
+#if defined(OS_LINUX)
   io_thread_priority = base::ThreadPriority::DISPLAY;
 #endif
 
diff -ur content/public/browser/gpu_utils.cc chromium-69.0.3497.92/content/public/browser/gpu_utils.cc
--- content/public/browser/gpu_utils.cc	2018-09-12 00:39:42.000000000 +0530
+++ content/public/browser/gpu_utils.cc	2018-09-13 22:10:34.164009273 +0530
@@ -57,9 +57,17 @@
   gpu_preferences.in_process_gpu =
       command_line->HasSwitch(switches::kInProcessGPU);
   gpu_preferences.disable_accelerated_video_decode =
+#if defined(OS_LINUX) && !defined(OS_CHROMEOS)
+      !command_line->HasSwitch(switches::kEnableAcceleratedVideo);
+#else
       command_line->HasSwitch(switches::kDisableAcceleratedVideoDecode);
+#endif
   gpu_preferences.disable_accelerated_video_encode =
+#if defined(OS_LINUX) && !defined(OS_CHROMEOS)
+      !command_line->HasSwitch(switches::kEnableAcceleratedVideo);
+#else
       command_line->HasSwitch(switches::kDisableAcceleratedVideoEncode);
+#endif
 #if defined(OS_WIN)
   uint32_t enable_accelerated_vpx_decode_val =
       gpu::GpuPreferences::VPX_VENDOR_MICROSOFT;
diff -ur content/public/common/content_switches.cc chromium-69.0.3497.92/content/public/common/content_switches.cc
--- content/public/common/content_switches.cc	2018-09-12 00:39:42.000000000 +0530
+++ content/public/common/content_switches.cc	2018-09-13 22:10:34.172009028 +0530
@@ -79,6 +79,11 @@
 // Disable gpu-accelerated 2d canvas.
 const char kDisableAccelerated2dCanvas[]    = "disable-accelerated-2d-canvas";
 
+#if defined(OS_LINUX)
+// Enables hardware acceleration of video for Linux only. VA-API driver
+// is required to be present on the system installation.
+const char kEnableAcceleratedVideo[] = "enable-accelerated-video";
+#endif
 // Disables hardware acceleration of video decode, where available.
 const char kDisableAcceleratedVideoDecode[] =
     "disable-accelerated-video-decode";
@@ -868,11 +873,13 @@
 // ignores this switch on its stable and beta channels.
 const char kDisableWebRtcEncryption[]      = "disable-webrtc-encryption";
 
+#if defined(OS_CHROMEOS)
 // Disables HW decode acceleration for WebRTC.
 const char kDisableWebRtcHWDecoding[]       = "disable-webrtc-hw-decoding";
 
 // Disables HW encode acceleration for WebRTC.
 const char kDisableWebRtcHWEncoding[] = "disable-webrtc-hw-encoding";
+#endif
 
 // Enables negotiation of GCM cipher suites from RFC 7714 for SRTP in WebRTC.
 // See https://tools.ietf.org/html/rfc7714 for further information.
diff -ur content/public/common/content_switches.h chromium-69.0.3497.92/content/public/common/content_switches.h
--- content/public/common/content_switches.h	2018-09-12 00:39:42.000000000 +0530
+++ content/public/common/content_switches.h	2018-09-13 22:10:34.172009028 +0530
@@ -104,6 +104,9 @@
 CONTENT_EXPORT extern const char kDomAutomationController[];
 extern const char kDisable2dCanvasClipAntialiasing[];
 CONTENT_EXPORT extern const char kDumpBlinkRuntimeCallStats[];
+#if defined(OS_LINUX) && !defined(OS_CHROMEOS) && !defined(OS_ANDROID)
+CONTENT_EXPORT extern const char kEnableAcceleratedVideo[];
+#endif
 CONTENT_EXPORT extern const char kEnableAccessibilityObjectModel[];
 CONTENT_EXPORT extern const char kEnableAggressiveDOMStorageFlushing[];
 CONTENT_EXPORT extern const char kEnableAutomation[];
@@ -241,8 +244,10 @@
 CONTENT_EXPORT extern const char kWaitForDebuggerChildren[];
 
 CONTENT_EXPORT extern const char kDisableWebRtcEncryption[];
+#if defined(OS_CHROMEOS)
 CONTENT_EXPORT extern const char kDisableWebRtcHWDecoding[];
 CONTENT_EXPORT extern const char kDisableWebRtcHWEncoding[];
+#endif
 CONTENT_EXPORT extern const char kEnableWebRtcSrtpAesGcm[];
 CONTENT_EXPORT extern const char kEnableWebRtcSrtpEncryptedHeaders[];
 CONTENT_EXPORT extern const char kEnableWebRtcStunOrigin[];
diff -ur content/renderer/media/webrtc/peer_connection_dependency_factory.cc chromium-69.0.3497.92/content/renderer/media/webrtc/peer_connection_dependency_factory.cc
--- content/renderer/media/webrtc/peer_connection_dependency_factory.cc	2018-09-12 00:39:42.000000000 +0530
+++ content/renderer/media/webrtc/peer_connection_dependency_factory.cc	2018-09-13 22:10:34.181008752 +0530
@@ -276,10 +276,18 @@
 
   const base::CommandLine* cmd_line = base::CommandLine::ForCurrentProcess();
   if (gpu_factories && gpu_factories->IsGpuVideoAcceleratorEnabled()) {
+#if defined(OS_LINUX) && !defined(OS_CHROMEOS)
+    if (cmd_line->HasSwitch(switches::kEnableAcceleratedVideo))
+#else
     if (!cmd_line->HasSwitch(switches::kDisableWebRtcHWDecoding))
+#endif
       decoder_factory.reset(new RTCVideoDecoderFactory(gpu_factories));
 
+#if defined(OS_LINUX) && !defined(OS_CHROMEOS)
+    if (cmd_line->HasSwitch(switches::kEnableAcceleratedVideo))
+#else
     if (!cmd_line->HasSwitch(switches::kDisableWebRtcHWEncoding))
+#endif
       encoder_factory.reset(new RTCVideoEncoderFactory(gpu_factories));
   }
 
diff -ur content/renderer/render_thread_impl.cc chromium-69.0.3497.92/content/renderer/render_thread_impl.cc
--- content/renderer/render_thread_impl.cc	2018-09-12 00:39:42.000000000 +0530
+++ content/renderer/render_thread_impl.cc	2018-09-13 22:10:34.192008415 +0530
@@ -1441,7 +1441,11 @@
           kGpuStreamPriorityMedia);
 
   const bool enable_video_accelerator =
+#if defined(OS_LINUX) && !defined(OS_CHROMEOS)
+      cmd_line->HasSwitch(switches::kEnableAcceleratedVideo) &&
+#else
       !cmd_line->HasSwitch(switches::kDisableAcceleratedVideoDecode) &&
+#endif
       (gpu_channel_host->gpu_feature_info()
            .status_values[gpu::GPU_FEATURE_TYPE_ACCELERATED_VIDEO_DECODE] ==
        gpu::kGpuFeatureStatusEnabled);
Only in content/renderer: render_thread_impl.cc.orig
diff -ur gpu/config/software_rendering_list.json chromium-69.0.3497.92/gpu/config/software_rendering_list.json
--- gpu/config/software_rendering_list.json	2018-09-12 00:39:44.000000000 +0530
+++ gpu/config/software_rendering_list.json	2018-09-13 22:10:34.193008384 +0530
@@ -377,17 +377,6 @@
       ]
     },
     {
-      "id": 48,
-      "description": "Accelerated video decode is unavailable on Linux",
-      "cr_bugs": [137247],
-      "os": {
-        "type": "linux"
-      },
-      "features": [
-        "accelerated_video_decode"
-      ]
-    },
-    {
       "id": 50,
       "description": "Disable VMware software renderer on older Mesa",
       "cr_bugs": [145531, 332596, 571899, 629434],
diff -ur media/base/media_switches.cc chromium-69.0.3497.92/media/base/media_switches.cc
--- media/base/media_switches.cc	2018-09-12 00:39:48.000000000 +0530
+++ media/base/media_switches.cc	2018-09-13 22:10:34.214007740 +0530
@@ -117,10 +117,15 @@
 // accelerator hardware to be present.
 const char kUseFakeJpegDecodeAccelerator[] = "use-fake-jpeg-decode-accelerator";
 
+#if defined(OS_LINUX) && !defined(OS_CHROMEOS)
+// Enable hardware accelerated mjpeg decode on linux
+const char kEnableAcceleratedMjpegDecode[] = "enable-accelerated-mjpeg-decode";
+#else
 // Disable hardware acceleration of mjpeg decode for captured frame, where
 // available.
 const char kDisableAcceleratedMjpegDecode[] =
     "disable-accelerated-mjpeg-decode";
+#endif
 
 // When running tests on a system without the required hardware or libraries,
 // this flag will cause the tests to fail. Otherwise, they silently succeed.
@@ -462,15 +467,22 @@
 #endif
 
 bool IsVideoCaptureAcceleratedJpegDecodingEnabled() {
+
+#if defined(OS_LINUX) && !defined(OS_CHROMEOS) && !defined(OS_ANDROID)
+  if (!base::CommandLine::ForCurrentProcess()->HasSwitch(
+          switches::kEnableAcceleratedMjpegDecode)
+#else
   if (base::CommandLine::ForCurrentProcess()->HasSwitch(
-          switches::kDisableAcceleratedMjpegDecode)) {
+          switches::kDisableAcceleratedMjpegDecode)
+#endif
+          ) {
     return false;
   }
   if (base::CommandLine::ForCurrentProcess()->HasSwitch(
           switches::kUseFakeJpegDecodeAccelerator)) {
     return true;
   }
-#if defined(OS_CHROMEOS)
+#if !defined(OS_ANDROID) && defined(OS_LINUX)
   return true;
 #endif
   return false;
diff -ur media/base/media_switches.h chromium-69.0.3497.92/media/base/media_switches.h
--- media/base/media_switches.h	2018-09-12 00:39:48.000000000 +0530
+++ media/base/media_switches.h	2018-09-13 22:10:34.283005625 +0530
@@ -66,7 +66,11 @@
 MEDIA_EXPORT extern const char kUseFileForFakeVideoCapture[];
 MEDIA_EXPORT extern const char kUseFileForFakeAudioCapture[];
 MEDIA_EXPORT extern const char kUseFakeJpegDecodeAccelerator[];
+#if defined(OS_LINUX) && !defined(OS_CHROMEOS)
+MEDIA_EXPORT extern const char kEnableAcceleratedMjpegDecode[];
+#else
 MEDIA_EXPORT extern const char kDisableAcceleratedMjpegDecode[];
+#endif
 
 MEDIA_EXPORT extern const char kRequireAudioHardwareForTesting[];
 MEDIA_EXPORT extern const char kMuteAudio[];
diff -ur media/gpu/BUILD.gn chromium-69.0.3497.92/media/gpu/BUILD.gn
--- media/gpu/BUILD.gn	2018-09-12 00:39:48.000000000 +0530
+++ media/gpu/BUILD.gn	2018-09-13 22:10:34.210007863 +0530
@@ -495,6 +495,14 @@
   }
 }
 
+if (is_desktop_linux && use_vaapi) {
+  import("//build/config/linux/pkg_config.gni")
+
+  pkg_config("libva_config") {
+    packages = [ "libva" ]
+  }
+}
+
 if (use_vaapi) {
   test("jpeg_encode_accelerator_unittest") {
     deps = [
@@ -559,6 +567,10 @@
     if (use_ozone) {
       deps += [ "//ui/ozone" ]
     }
+
+    if (is_desktop_linux) {
+      public_configs = [ ":libva_config" ]
+    }
   }
 }