OOPIF: Remove the FrameTreeNode when a RemoteFrame is detached.

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 289 matching lines @@
 }
 
 void RenderFrameProxy::OnDidUpdateName(const std::string& name) {
   web_frame_->setReplicatedName(blink::WebString::fromUTF8(name));
 }
 
 void RenderFrameProxy::frameDetached() {
   if (web_frame_->parent())
     web_frame_->parent()->removeChild(web_frame_);
 
+  // Let the browser process know this frame is removed, so that it is destroyed
+  // in its current process.
+  Send(new FrameHostMsg_Detach(routing_id_));
+
   web_frame_->close();
   delete this;
 }
 
 void RenderFrameProxy::postMessageEvent(
     blink::WebLocalFrame* source_frame,
     blink::WebRemoteFrame* target_frame,
     blink::WebSecurityOrigin target_origin,
     blink::WebDOMMessageEvent event) {
   DCHECK(!web_frame_ || web_frame_ == target_frame);
@@ skipping 42 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