android_webview: Use base::MessageLoop.

android_webview/renderer/aw_content_renderer_client.h

Index: android_webview/renderer/aw_content_renderer_client.h
diff --git a/android_webview/renderer/aw_content_renderer_client.h b/android_webview/renderer/aw_content_renderer_client.h
index ba5a700194610c47fab9f464aa6608fbb5102ed5..bcec6594d8e37f3efd6a1c149197635482d4ac94 100644
--- a/android_webview/renderer/aw_content_renderer_client.h
+++ b/android_webview/renderer/aw_content_renderer_client.h
@@ -18,7 +18,7 @@ namespace android_webview {
 
 class AwContentRendererClient : public content::ContentRendererClient {
  public:
-  typedef MessageLoop* CompositorMessageLoopGetter();
+  typedef base::MessageLoop* CompositorMessageLoopGetter();
 
   explicit AwContentRendererClient(
       CompositorMessageLoopGetter* compositor_message_loop_getter,
@@ -41,7 +41,7 @@ class AwContentRendererClient : public content::ContentRendererClient {
                                              size_t length) OVERRIDE;
   virtual bool IsLinkVisited(unsigned long long link_hash) OVERRIDE;
   virtual void PrefetchHostName(const char* hostname, size_t length) OVERRIDE;
-  virtual MessageLoop* OverrideCompositorMessageLoop() const OVERRIDE;
+  virtual base::MessageLoop* OverrideCompositorMessageLoop() const OVERRIDE;
   virtual bool ShouldCreateCompositorInputHandler() const OVERRIDE;
 
  private: