Enable Accelerated Video Decode in Linux

content/common/BUILD.gn

Index: content/common/BUILD.gn
diff --git a/content/common/BUILD.gn b/content/common/BUILD.gn
index 45c63a6b9abdd8c024652418fe8a13066c137204..2be8cbbfe498d958e89347cc45676685cea57dae 100644
--- a/content/common/BUILD.gn
+++ b/content/common/BUILD.gn
@@ -11,7 +11,7 @@ if (is_mac) {
   import("//build/config/mac/mac_sdk.gni")
 }
 
-if (is_chromeos && current_cpu != "arm") {
+if (is_linux && current_cpu != "arm") {
   action("libva_generate_stubs") {
     extra_header = "gpu/media/va_stub_header.fragment"
 
@@ -376,7 +376,7 @@ source_set("common") {
     }
   }
 
-  if (is_chromeos) {
+  if (is_linux) {
     sources += [
       "gpu/media/accelerated_video_decoder.h",
       "gpu/media/h264_decoder.cc",
@@ -392,12 +392,12 @@ source_set("common") {
       "gpu/media/vp9_picture.cc",
       "gpu/media/vp9_picture.h",
     ]
-    if (use_v4lplugin) {
+    if (is_chromeos && use_v4lplugin) {
       defines += [ "USE_LIBV4L2" ]
       sources += get_target_outputs(":libv4l2_generate_stubs")
       deps += [ ":libv4l2_generate_stubs" ]
     }
-    if (use_v4l2_codec) {
+    if (is_chromeos && use_v4l2_codec) {
       defines += [ "USE_V4L2_CODEC" ]
       deps += [ "//third_party/libyuv" ]
       sources += [
@@ -421,7 +421,7 @@ source_set("common") {
         "GLESv2",
       ]
     }
-    if (current_cpu == "arm") {
+    if (is_chromeos && current_cpu == "arm") {
       sources += [
         "gpu/media/tegra_v4l2_device.cc",
         "gpu/media/tegra_v4l2_device.h",