Allow out-of-process iframes to update the mouse cursor

content/renderer/render_frame_impl.cc

 // Copyright 2013 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_frame_impl.h"
 
 #include <map>
 #include <string>
 
 #include "base/auto_reset.h"
@@ skipping 815 matching lines @@
   }
 
   RegisterMojoServices();
 
   // We delay calling this until we have the WebFrame so that any observer or
   // embedder can call GetWebFrame on any RenderFrame.
   GetContentClient()->renderer()->RenderFrameCreated(this);
 }
 
 RenderWidget* RenderFrameImpl::GetRenderWidget() {
-  return render_view_.get();
+  return render_widget_.get() ? render_widget_.get() : render_view_.get();

[dcheng, 2015/10/13 22:14:37]

return render_widget_ ? render_widget_.get() : render_view_.get();

Also, remind me why we need this change?

[kenrb, 2015/10/14 16:29:53]

Looks like we don't, I think I accidentally pulled this over from my IME CL.
Thanks for catching that.

 }
 
 #if defined(ENABLE_PLUGINS)
 void RenderFrameImpl::PepperPluginCreated(RendererPpapiHost* host) {
   FOR_EACH_OBSERVER(RenderFrameObserver, observers_,
                     DidCreatePepperPlugin(host));
   if (host->GetPluginName() == kFlashPluginName) {
     RenderThread::Get()->RecordAction(
         base::UserMetricsAction("FrameLoadWithFlash"));
   }
@@ skipping 4344 matching lines @@
   mojo::ServiceProviderPtr service_provider(21);
   mojo::URLRequestPtr request(mojo::URLRequest::New());
   request->url = mojo::String::From(url);
   mojo_shell_->ConnectToApplication(request.Pass(), GetProxy(&service_provider),
                                     nullptr, nullptr,
                                     base::Bind(&OnGotContentHandlerID));
   return service_provider.Pass();
 }
 
 }  // namespace content