Prefix Did{Start|Stop}Loading methods.

content/renderer/render_frame_impl.h

Index: content/renderer/render_frame_impl.h
diff --git a/content/renderer/render_frame_impl.h b/content/renderer/render_frame_impl.h
index 6ae3cba3dd51ce533c1d502ef1675c1d43584b51..d2c803e420ef2d7877e685256c037292977f7e7a 100644
--- a/content/renderer/render_frame_impl.h
+++ b/content/renderer/render_frame_impl.h
@@ -428,8 +428,8 @@ class CONTENT_EXPORT RenderFrameImpl
       const gfx::Size& unobscured_size,
       RecordPeripheralDecision record_decision) const override;
   void WhitelistContentOrigin(const url::Origin& content_origin) override;
-  void DidStartLoading() override;
-  void DidStopLoading() override;
+  void PluginDidStartLoading() override;
+  void PluginDidStopLoading() override;
 #endif
   bool IsFTPDirectoryListing() override;
   void AttachGuest(int element_instance_id) override;