Browser Plugin: Add HTML5-like postMessage support

content/browser/web_contents/web_contents_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/web_contents/web_contents_impl.h"
 
 #include <utility>
 
 #include "base/command_line.h"
 #include "base/metrics/histogram.h"
@@ skipping 3100 matching lines @@
 }
 
 WebPreferences WebContentsImpl::GetWebkitPrefs() {
   // We want to base the page config off of the real URL, rather than the
   // display URL.
   GURL url = controller_.GetActiveEntry()
       ? controller_.GetActiveEntry()->GetURL() : GURL::EmptyGURL();
   return GetWebkitPrefs(GetRenderViewHost(), url);
 }
 
+int WebContentsImpl::CreateSwappedOutRenderViewForGuest(
+    content::SiteInstance* instance) {
+  return render_manager_.CreateRenderView(instance, MSG_ROUTING_NONE, true);
+}
+
 void WebContentsImpl::OnUserGesture() {
   // Notify observers.
   FOR_EACH_OBSERVER(WebContentsObserver, observers_, DidGetUserGesture());
 
   ResourceDispatcherHostImpl* rdh = ResourceDispatcherHostImpl::Get();
   if (rdh)  // NULL in unittests.
     rdh->OnUserGesture(this);
 }
 
 void WebContentsImpl::OnIgnoredUIEvent() {
@@ skipping 259 matching lines @@
   }
 }
 
 content::BrowserPluginGuest* WebContentsImpl::GetBrowserPluginGuest() {
   return browser_plugin_guest_.get();
 }
 
 content::BrowserPluginEmbedder* WebContentsImpl::GetBrowserPluginEmbedder() {
   return browser_plugin_embedder_.get();
 }