Notify parent frame renderer when OOP child frame renderer crashes

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/command_line.h"
@@ skipping 373 matching lines @@
       return true;
   }
 
   bool handled = true;
   bool msg_is_ok = true;
   IPC_BEGIN_MESSAGE_MAP_EX(RenderFrameImpl, msg, msg_is_ok)
     IPC_MESSAGE_HANDLER(FrameMsg_SwapOut, OnSwapOut)
     IPC_MESSAGE_HANDLER(FrameMsg_BuffersSwapped, OnBuffersSwapped)
     IPC_MESSAGE_HANDLER_GENERIC(FrameMsg_CompositorFrameSwapped,
                                 OnCompositorFrameSwapped(msg))
+    IPC_MESSAGE_HANDLER(FrameMsg_ChildFrameProcessGone, OnChildFrameProcessGone)
   IPC_END_MESSAGE_MAP_EX()
 
   if (!msg_is_ok) {
     // The message had a handler, but its deserialization failed.
     // Kill the renderer to avoid potential spoofing attacks.
     CHECK(false) << "Unable to deserialize message in RenderFrameImpl.";
   }
 
   return handled;
  }
@@ skipping 126 matching lines @@
 #endif
 }
 
 void RenderFrameImpl::LoadURLExternally(
     blink::WebFrame* frame,
     const blink::WebURLRequest& request,
     blink::WebNavigationPolicy policy) {
   loadURLExternally(frame, request, policy);
 }
 
+void RenderFrameImpl::OnChildFrameProcessGone() {
+  if (compositing_helper_)
+    compositing_helper_->ChildFrameGone();
+}
+
 // blink::WebFrameClient implementation ----------------------------------------
 
 blink::WebPlugin* RenderFrameImpl::createPlugin(
     blink::WebFrame* frame,
     const blink::WebPluginParams& params) {
   blink::WebPlugin* plugin = NULL;
   if (GetContentClient()->renderer()->OverrideCreatePlugin(
           this, frame, params, &plugin)) {
     return plugin;
   }
@@ skipping 946 matching lines @@
 void RenderFrameImpl::AddObserver(RenderFrameObserver* observer) {
   observers_.AddObserver(observer);
 }
 
 void RenderFrameImpl::RemoveObserver(RenderFrameObserver* observer) {
   observer->RenderFrameGone();
   observers_.RemoveObserver(observer);
 }
 
 }  // namespace content