Revert "Chromium changes to statically link ffmpeg."

content/renderer/render_thread_impl.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/renderer/render_thread_impl.h"
 
 #include <algorithm>
 #include <limits>
 #include <map>
 #include <vector>
@@ skipping 629 matching lines @@
   if (command_line.HasSwitch(switches::kDisableDistanceFieldText)) {
     is_distance_field_text_enabled_ = false;
   } else if (command_line.HasSwitch(switches::kEnableDistanceFieldText)) {
     is_distance_field_text_enabled_ = true;
   } else {
     is_distance_field_text_enabled_ = false;
   }
 
   // Note that under Linux, the media library will normally already have
   // been initialized by the Zygote before this instance became a Renderer.
-  media::InitializeMediaLibrary();
+  base::FilePath media_path;
+  PathService::Get(DIR_MEDIA_LIBS, &media_path);
+  if (!media_path.empty())
+    media::InitializeMediaLibrary(media_path);
 
   memory_pressure_listener_.reset(new base::MemoryPressureListener(
       base::Bind(&RenderThreadImpl::OnMemoryPressure, base::Unretained(this))));
 
   compositor_task_graph_runner_.reset(new cc::TaskGraphRunner);
 
   is_gather_pixel_refs_enabled_ = false;
 
   if (is_impl_side_painting_enabled_) {
     int num_raster_threads = 0;
@@ skipping 436 matching lines @@
 
   compositor_message_filter_ = new CompositorForwardingMessageFilter(
       compositor_impl_side_task_runner.get());
   AddFilter(compositor_message_filter_.get());
 
   RenderThreadImpl::RegisterSchemes();
 
   EnableBlinkPlatformLogChannels(
       command_line.GetSwitchValueASCII(switches::kBlinkPlatformLogChannels));
 
+  if (!media::IsMediaLibraryInitialized()) {
+    WebRuntimeFeatures::enableWebAudio(false);
+  }
+
   RenderMediaClient::Initialize();
 
   FOR_EACH_OBSERVER(RenderProcessObserver, observers_, WebKitInitialized());
 
   devtools_agent_message_filter_ = new DevToolsAgentFilter();
   AddFilter(devtools_agent_message_filter_.get());
 
   v8_sampling_profiler_.reset(new V8SamplingProfiler());
 
   if (GetContentClient()->renderer()->RunIdleHandlerWhenWidgetsHidden())
@@ skipping 775 matching lines @@
 }
 
 void RenderThreadImpl::PendingRenderFrameConnect::OnConnectionError() {
   size_t erased =
       RenderThreadImpl::current()->pending_render_frame_connects_.erase(
           routing_id_);
   DCHECK_EQ(1u, erased);
 }
 
 }  // namespace content