Pepper proxy: make the browser sender handle the proxy lock properly.

ppapi/proxy/ppapi_proxy_test.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 "ppapi/proxy/ppapi_proxy_test.h"
 
 #include <sstream>
 
 #include "base/bind.h"
 #include "base/compiler_specific.h"
@@ skipping 231 matching lines @@
 
 uint32 PluginProxyTestHarness::PluginDelegateMock::Register(
     PluginDispatcher* plugin_dispatcher) {
   return 0;
 }
 
 void PluginProxyTestHarness::PluginDelegateMock::Unregister(
     uint32 plugin_dispatcher_id) {
 }
 
-bool PluginProxyTestHarness::PluginDelegateMock::SendToBrowser(
-    IPC::Message* msg) {
-  NOTREACHED();
-  return false;
-}
-
 IPC::Sender* PluginProxyTestHarness::PluginDelegateMock::GetBrowserSender() {
   return browser_sender_;
 }
 
 std::string PluginProxyTestHarness::PluginDelegateMock::GetUILanguage() {
   return std::string("en-US");
 }
 
 void PluginProxyTestHarness::PluginDelegateMock::PreCacheFont(
     const void* logfontw) {
@@ skipping 190 matching lines @@
   plugin_thread_.message_loop_proxy()->PostTask(FROM_HERE,
       base::Bind(&RunTaskOnRemoteHarness,
                  task,
                  &task_complete));
   task_complete.Wait();
 }
 
 
 }  // namespace proxy
 }  // namespace ppapi