gpu: reference target surfaces through a globally unique surface id.

content/test/mock_render_thread.cc

 // Copyright (c) 2011 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/test/mock_render_thread.h"
 
 #include "base/process_util.h"
 #include "content/common/view_messages.h"
 #include "ipc/ipc_message_utils.h"
 #include "ipc/ipc_sync_message.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace content {
 
 MockRenderThread::MockRenderThread()
-    : routing_id_(0), opener_id_(0) {
+    : routing_id_(0), surface_id_(0), opener_id_(0) {
 }
 
 MockRenderThread::~MockRenderThread() {
 }
 
 void MockRenderThread::VerifyRunJavaScriptMessageSend(
     const string16& expected_alert_message) {
   const IPC::Message* alert_msg =
       sink_.GetUniqueMessageMatching(ViewHostMsg_RunJavaScriptMessage::ID);
   ASSERT_TRUE(alert_msg);
@@ skipping 135 matching lines @@
 #endif  // OS_WIN
 
 void MockRenderThread::SendCloseMessage() {
   ViewMsg_Close msg(routing_id_);
   widget_->OnMessageReceived(msg);
 }
 
 // The Widget expects to be returned valid route_id.
 void MockRenderThread::OnMsgCreateWidget(int opener_id,
                                          WebKit::WebPopupType popup_type,
-                                         int* route_id) {
+                                         int* route_id,
+                                         int* surface_id) {
   opener_id_ = opener_id;
   *route_id = routing_id_;
+  *surface_id = surface_id_;
 }
 
 bool MockRenderThread::OnMessageReceived(const IPC::Message& msg) {
   // Save the message in the sink.
   sink_.OnMessageReceived(msg);
 
   bool handled = true;
   bool msg_is_ok = true;
   IPC_BEGIN_MESSAGE_MAP_EX(MockRenderThread, msg, msg_is_ok)
     IPC_MESSAGE_HANDLER(ViewHostMsg_CreateWidget, OnMsgCreateWidget)
     IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP_EX()
   return handled;
 }
 
 #if defined(OS_WIN)
 void MockRenderThread::OnDuplicateSection(
     base::SharedMemoryHandle renderer_handle,
     base::SharedMemoryHandle* browser_handle) {
   // We don't have to duplicate the input handles since RenderViewTest does not
   // separate a browser process from a renderer process.
   *browser_handle = renderer_handle;
 }
 #endif  // defined(OS_WIN)
 
 }  // namespace content