Propagate window coordinates to out-of-process iframes renderers.

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 <stdint.h>
 #include <map>
 #include <utility>
 
 #include "base/command_line.h"
 #include "base/lazy_instance.h"
 #include "content/child/webmessageportchannel_impl.h"
 #include "content/common/frame_messages.h"
 #include "content/common/frame_replication_state.h"
 #include "content/common/input_messages.h"
+#include "content/common/page_messages.h"
 #include "content/common/site_isolation_policy.h"
 #include "content/common/swapped_out_messages.h"
 #include "content/common/view_messages.h"
 #include "content/renderer/child_frame_compositing_helper.h"
 #include "content/renderer/render_frame_impl.h"
 #include "content/renderer/render_thread_impl.h"
 #include "content/renderer/render_view_impl.h"
 #include "content/renderer/render_widget.h"
+#include "ipc/ipc_message_macros.h"
 #include "third_party/WebKit/public/platform/URLConversion.h"
 #include "third_party/WebKit/public/platform/WebString.h"
 #include "third_party/WebKit/public/web/WebLocalFrame.h"
 #include "third_party/WebKit/public/web/WebUserGestureIndicator.h"
 #include "third_party/WebKit/public/web/WebView.h"
 
 namespace content {
 
 namespace {
 
@@ skipping 209 matching lines @@
 // SecurityContext. This is needed to ensure that sandbox flags are inherited
 // properly if this proxy ever parents a local frame.  The proxy's FrameOwner
 // flags are also updated here with the caveat that the FrameOwner won't learn
 // about updates to its flags until they take effect.
 void RenderFrameProxy::OnDidUpdateSandboxFlags(blink::WebSandboxFlags flags) {
   web_frame_->setReplicatedSandboxFlags(flags);
   web_frame_->setFrameOwnerSandboxFlags(flags);
 }
 
 bool RenderFrameProxy::OnMessageReceived(const IPC::Message& msg) {
+  // Forward Page IPCs to the RenderView.
+  if ((IPC_MESSAGE_CLASS(msg) == PageMsgStart) && render_view())
+    return render_view()->OnMessageReceived(msg);

[nasko, 2016/03/03 18:28:57]

Why not use the same structure as in RenderFrameImpl? In this case, if there is
no RenderView, the message will fall through the local message map. Is this
desirable?

[lfg, 2016/03/03 22:09:38]

Done.

+
   bool handled = true;
   IPC_BEGIN_MESSAGE_MAP(RenderFrameProxy, msg)
     IPC_MESSAGE_HANDLER(FrameMsg_DeleteProxy, OnDeleteProxy)
     IPC_MESSAGE_HANDLER(FrameMsg_ChildFrameProcessGone, OnChildFrameProcessGone)
     IPC_MESSAGE_HANDLER(FrameMsg_SetChildFrameSurface, OnSetChildFrameSurface)
     IPC_MESSAGE_HANDLER(FrameMsg_UpdateOpener, OnUpdateOpener)
     IPC_MESSAGE_HANDLER(FrameMsg_DidStartLoading, OnDidStartLoading)
     IPC_MESSAGE_HANDLER(FrameMsg_DidStopLoading, OnDidStopLoading)
     IPC_MESSAGE_HANDLER(FrameMsg_DidUpdateSandboxFlags, OnDidUpdateSandboxFlags)
     IPC_MESSAGE_HANDLER(FrameMsg_DispatchLoad, OnDispatchLoad)
@@ skipping 215 matching lines @@
                                     blink::WebLocalFrame* source) {
   int source_routing_id = RenderFrameImpl::FromWebFrame(source)->GetRoutingID();
   Send(new FrameHostMsg_AdvanceFocus(routing_id_, type, source_routing_id));
 }
 
 void RenderFrameProxy::frameFocused() {
   Send(new FrameHostMsg_FrameFocused(routing_id_));
 }
 
 }  // namespace