[WebView] Remove onFailure from VisualStateCallback.

content/public/browser/render_frame_host.h

Index: content/public/browser/render_frame_host.h
diff --git a/content/public/browser/render_frame_host.h b/content/public/browser/render_frame_host.h
index d868430705e66e9724257bdf941424870ae9f7a2..6847302782219ce9db85bac5521984fe35633307 100644
--- a/content/public/browser/render_frame_host.h
+++ b/content/public/browser/render_frame_host.h
@@ -97,9 +97,8 @@ class CONTENT_EXPORT RenderFrameHost : public IPC::Listener,
   // Roundtrips through the renderer and compositor pipeline to ensure that any
   // changes to the contents resulting from operations executed prior to this
   // call are visible on screen. The call completes asynchronously by running
-  // the supplied |callback| with a value of true upon successful completion and
-  // false otherwise (when the frame is destroyed, detached, etc..).
-  typedef base::Callback<void(bool)> VisualStateCallback;
+  // the supplied |callback|.
+  typedef base::Callback<void()> VisualStateCallback;

[boliu, 2015/02/19 18:43:41]

base::Closure

[Ignacio Solla, 2015/02/20 11:10:41]

Done.

   virtual void InsertVisualStateCallback(
       const VisualStateCallback& callback) = 0;