Adds support for calling postMessage on a frame living in a different renderer.

content/browser/renderer_host/render_view_host_impl.cc

 // Copyright (c) 2012 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/browser/renderer_host/render_view_host_impl.h"
 
 #include <set>
 #include <string>
 #include <utility>
 #include <vector>
@@ skipping 857 matching lines @@
     IPC_MESSAGE_HANDLER(ViewHostMsg_DidContentsPreferredSizeChange,
                         OnMsgDidContentsPreferredSizeChange)
     IPC_MESSAGE_HANDLER(ViewHostMsg_DidChangeScrollbarsForMainFrame,
                         OnMsgDidChangeScrollbarsForMainFrame)
     IPC_MESSAGE_HANDLER(ViewHostMsg_DidChangeScrollOffsetPinningForMainFrame,
                         OnMsgDidChangeScrollOffsetPinningForMainFrame)
     IPC_MESSAGE_HANDLER(ViewHostMsg_DidChangeNumWheelEvents,
                         OnMsgDidChangeNumWheelEvents)
     IPC_MESSAGE_HANDLER(ViewHostMsg_RouteCloseEvent,
                         OnMsgRouteCloseEvent)
+    IPC_MESSAGE_HANDLER(ViewHostMsg_RouteMessageEvent, OnMsgRouteMessageEvent)
     IPC_MESSAGE_HANDLER_DELAY_REPLY(ViewHostMsg_RunJavaScriptMessage,
                                     OnMsgRunJavaScriptMessage)
     IPC_MESSAGE_HANDLER_DELAY_REPLY(ViewHostMsg_RunBeforeUnloadConfirm,
                                     OnMsgRunBeforeUnloadConfirm)
     IPC_MESSAGE_HANDLER(DragHostMsg_StartDragging, OnMsgStartDragging)
     IPC_MESSAGE_HANDLER(DragHostMsg_UpdateDragCursor, OnUpdateDragCursor)
     IPC_MESSAGE_HANDLER(DragHostMsg_TargetDrop_ACK, OnTargetDropACK)
     IPC_MESSAGE_HANDLER(ViewHostMsg_TakeFocus, OnTakeFocus)
     IPC_MESSAGE_HANDLER(ViewHostMsg_FocusedNodeChanged, OnFocusedNodeChanged)
     IPC_MESSAGE_HANDLER(ViewHostMsg_AddMessageToConsole, OnAddMessageToConsole)
@@ skipping 386 matching lines @@
     const gfx::Rect& end_rect) {
   if (view_)
     view_->SelectionBoundsChanged(start_rect, end_rect);
 }
 
 void RenderViewHostImpl::OnMsgRouteCloseEvent() {
   // Have the delegate route this to the active RenderViewHost.
   delegate_->RouteCloseEvent(this);
 }
 
+void RenderViewHostImpl::OnMsgRouteMessageEvent(
+    const ViewMsg_PostMessage_Params& params) {
+  // Give to the delegate to route to the active RenderViewHost.
+  delegate_->RouteMessageEvent(this, params);
+}
+
 void RenderViewHostImpl::OnMsgRunJavaScriptMessage(
     const string16& message,
     const string16& default_prompt,
     const GURL& frame_url,
     ui::JavascriptMessageType type,
     IPC::Message* reply_msg) {
   // While a JS message dialog is showing, tabs in the same process shouldn't
   // process input events.
   GetProcess()->SetIgnoreInputEvents(true);
   StopHangMonitorTimeout();
@@ skipping 527 matching lines @@
   // can cause navigations to be ignored in OnMsgNavigate.
   is_waiting_for_beforeunload_ack_ = false;
   is_waiting_for_unload_ack_ = false;
 }
 
 void RenderViewHostImpl::ClearPowerSaveBlockers() {
   STLDeleteValues(&power_save_blockers_);
 }
 
 }  // namespace content