Make load events in iframe elements work with OOPIF (Chromium side).

content/renderer/render_frame_proxy.cc

 // Copyright 2014 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_proxy.h"
 
 #include <map>
 
 #include "base/lazy_instance.h"
 #include "content/child/webmessageportchannel_impl.h"
@@ skipping 167 matching lines @@
 bool RenderFrameProxy::OnMessageReceived(const IPC::Message& msg) {
   bool handled = true;
   IPC_BEGIN_MESSAGE_MAP(RenderFrameProxy, msg)
     IPC_MESSAGE_HANDLER(FrameMsg_DeleteProxy, OnDeleteProxy)
     IPC_MESSAGE_HANDLER(FrameMsg_ChildFrameProcessGone, OnChildFrameProcessGone)
     IPC_MESSAGE_HANDLER_GENERIC(FrameMsg_CompositorFrameSwapped,
                                 OnCompositorFrameSwapped(msg))
     IPC_MESSAGE_HANDLER(FrameMsg_DisownOpener, OnDisownOpener)
     IPC_MESSAGE_HANDLER(FrameMsg_DidStartLoading, OnDidStartLoading)
     IPC_MESSAGE_HANDLER(FrameMsg_DidStopLoading, OnDidStopLoading)
+    IPC_MESSAGE_HANDLER(FrameMsg_DispatchLoad, OnDispatchLoad)
     IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP()
 
   // Note: If |handled| is true, |this| may have been deleted.
   return handled;
 }
 
 bool RenderFrameProxy::Send(IPC::Message* message) {
   return RenderThread::Get()->Send(message);
 }
@@ skipping 57 matching lines @@
   web_frame_->didStartLoading();
 }
 
 void RenderFrameProxy::OnDidStopLoading() {
   if (IsMainFrameDetachedFromTree())
     return;
 
   web_frame_->didStopLoading();
 }
 
+void RenderFrameProxy::OnDispatchLoad() {
+  web_frame_->DispatchLoadEventForFrameOwner();
+}
+
 void RenderFrameProxy::frameDetached() {
   if (web_frame_->parent())
     web_frame_->parent()->removeChild(web_frame_);
 
   web_frame_->close();
   delete this;
 }
 
 void RenderFrameProxy::postMessageEvent(
     blink::WebLocalFrame* source_frame,
@@ skipping 57 matching lines @@
       blink::WebUserGestureIndicator::isProcessingUserGesture();
   blink::WebUserGestureIndicator::consumeUserGesture();
   Send(new FrameHostMsg_OpenURL(routing_id_, params));
 }
 
 void RenderFrameProxy::forwardInputEvent(const blink::WebInputEvent* event) {
   Send(new FrameHostMsg_ForwardInputEvent(routing_id_, event));
 }
 
 }  // namespace