[BrowserTag] Send dib info with NavigateGuest message,

content/renderer/browser_plugin/mock_browser_plugin.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/renderer/browser_plugin/mock_browser_plugin.h"
+#include "content/renderer/render_process_impl.h"
 
 namespace content {
 
 MockBrowserPlugin::MockBrowserPlugin(
     int id,
     RenderViewImpl* render_view,
     WebKit::WebFrame* frame,
     const WebKit::WebPluginParams& params)
-    : BrowserPlugin(id, render_view, frame, params) {
+    : BrowserPlugin(id, render_view, frame, params),
+      transport_dib_next_sequence_number_(0) {
 }
 
 MockBrowserPlugin::~MockBrowserPlugin() {}
 
+TransportDIB* MockBrowserPlugin::CreateTransportDIB(const size_t size) {
+  return TransportDIB::Create(size, transport_dib_next_sequence_number_++);
+}
+
+void MockBrowserPlugin::FreeDamageBuffer() {
+  DCHECK(damage_buffer_);
+  RenderProcess::current()->FreeTransportDIB(damage_buffer_);
+  damage_buffer_ = NULL;
+}
+
 }  // namespace content