WIP attempt to replace StartWorker/StopWorker IPCs with a new mojo EmbeddedWorker service.

content/renderer/render_thread_impl.h

Index: content/renderer/render_thread_impl.h
diff --git a/content/renderer/render_thread_impl.h b/content/renderer/render_thread_impl.h
index a6343d1f31883197324416dae3a3b223ef2561fc..f3353ad273f2e842e47ff6b46d6e07614d531c39 100644
--- a/content/renderer/render_thread_impl.h
+++ b/content/renderer/render_thread_impl.h
@@ -92,7 +92,6 @@ class ContextProviderCommandBuffer;
 class DBMessageFilter;
 class DevToolsAgentFilter;
 class DomStorageDispatcher;
-class EmbeddedWorkerDispatcher;
 class GpuChannelHost;
 class IndexedDBDispatcher;
 class InputHandlerManager;
@@ -256,10 +255,6 @@ class CONTENT_EXPORT RenderThreadImpl
     return dom_storage_dispatcher_.get();
   }
 
-  EmbeddedWorkerDispatcher* embedded_worker_dispatcher() const {
-    return embedded_worker_dispatcher_.get();
-  }
-
   AudioInputMessageFilter* audio_input_message_filter() {
     return audio_input_message_filter_.get();
   }
@@ -481,7 +476,6 @@ class CONTENT_EXPORT RenderThreadImpl
   scoped_ptr<RendererBlinkPlatformImpl> blink_platform_impl_;
   scoped_ptr<ResourceDispatchThrottler> resource_dispatch_throttler_;
   scoped_ptr<CacheStorageDispatcher> main_thread_cache_storage_dispatcher_;
-  scoped_ptr<EmbeddedWorkerDispatcher> embedded_worker_dispatcher_;
 
   // Used on the render thread and deleted by WebKit at shutdown.
   blink::WebMediaStreamCenter* media_stream_center_;