Browser Plugin: Add HTML5-like postMessage support

content/browser/browser_plugin/browser_plugin_guest_helper.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/browser_plugin/browser_plugin_guest_helper.h"
 
 #include "content/browser/browser_plugin/browser_plugin_guest.h"
+#include "content/browser/renderer_host/render_view_host_impl.h"
 #include "content/browser/web_contents/web_contents_impl.h"
 #include "content/common/view_messages.h"
-#include "content/public/browser/render_view_host.h"
 
 namespace content {
 
 BrowserPluginGuestHelper::BrowserPluginGuestHelper(
     BrowserPluginGuest* guest,
     RenderViewHost* render_view_host)
     : RenderViewHostObserver(render_view_host),
       guest_(guest) {
 }
 
 BrowserPluginGuestHelper::~BrowserPluginGuestHelper() {
 }
 
 bool BrowserPluginGuestHelper::OnMessageReceived(
     const IPC::Message& message) {
   bool handled = true;
   IPC_BEGIN_MESSAGE_MAP(BrowserPluginGuestHelper, message)
+    IPC_MESSAGE_HANDLER(ViewHostMsg_RouteMessageEvent, OnRouteMessageEvent)
+    IPC_MESSAGE_UNHANDLED(handled = false)
+  IPC_END_MESSAGE_MAP()
+
+  if (static_cast<RenderViewHostImpl*>(render_view_host())->is_swapped_out()) {
+    return handled;
+  }
+
+  handled = true;
+  IPC_BEGIN_MESSAGE_MAP(BrowserPluginGuestHelper, message)
     IPC_MESSAGE_HANDLER(ViewHostMsg_UpdateRect, OnUpdateRect)
     IPC_MESSAGE_HANDLER(ViewHostMsg_HandleInputEvent_ACK, OnHandleInputEventAck)
     IPC_MESSAGE_HANDLER(ViewHostMsg_TakeFocus, OnTakeFocus)
     IPC_MESSAGE_HANDLER(ViewHostMsg_ShowWidget, OnShowWidget)
     IPC_MESSAGE_HANDLER(ViewHostMsg_HasTouchEventHandlers,
                         OnMsgHasTouchEventHandlers)
     IPC_MESSAGE_HANDLER(ViewHostMsg_SetCursor, OnSetCursor)
     IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP()
   return handled;
@@ skipping 20 matching lines @@
 }
 
 void BrowserPluginGuestHelper::OnMsgHasTouchEventHandlers(bool has_handlers) {
   guest_->SetIsAcceptingTouchEvents(has_handlers);
 }
 
 void BrowserPluginGuestHelper::OnSetCursor(const WebCursor& cursor) {
   guest_->SetCursor(cursor);
 }
 
+void BrowserPluginGuestHelper::OnRouteMessageEvent(
+    const ViewMsg_PostMessage_Params& params) {
+  guest_->RouteMessageEvent(params);
+}
+
 }  // namespace content