[Merge to M44] Chromium changes to statically link ffmpeg.

content/renderer/render_thread_impl.cc

Index: content/renderer/render_thread_impl.cc
diff --git a/content/renderer/render_thread_impl.cc b/content/renderer/render_thread_impl.cc
index 5ade8f03cf2a9939a9506b437f6bfc452e522b77..135bbd898cf0728078b795b3f4cc08516331d144 100644
--- a/content/renderer/render_thread_impl.cc
+++ b/content/renderer/render_thread_impl.cc
@@ -636,10 +636,7 @@ void RenderThreadImpl::Init() {
 
   // Note that under Linux, the media library will normally already have
   // been initialized by the Zygote before this instance became a Renderer.
-  base::FilePath media_path;
-  PathService::Get(DIR_MEDIA_LIBS, &media_path);
-  if (!media_path.empty())
-    media::InitializeMediaLibrary(media_path);
+  media::InitializeMediaLibrary();
 
   memory_pressure_listener_.reset(new base::MemoryPressureListener(
       base::Bind(&RenderThreadImpl::OnMemoryPressure, base::Unretained(this))));
@@ -1098,10 +1095,6 @@ void RenderThreadImpl::EnsureWebKitInitialized() {
   EnableBlinkPlatformLogChannels(
       command_line.GetSwitchValueASCII(switches::kBlinkPlatformLogChannels));
 
-  if (!media::IsMediaLibraryInitialized()) {
-    WebRuntimeFeatures::enableWebAudio(false);
-  }
-
   RenderMediaClient::Initialize();
 
   FOR_EACH_OBSERVER(RenderProcessObserver, observers_, WebKitInitialized());