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

ppapi/proxy/ppapi_proxy_test.h

 // 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 <map>
 #include <string>
 
 #include "base/message_loop.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/synchronization/waitable_event.h"
@@ skipping 111 matching lines @@
         base::PlatformFile handle,
         const IPC::SyncChannel& /* channel */,
         bool should_close_source) OVERRIDE;
 
     // PluginDispatcher::PluginDelegate implementation.
     virtual std::set<PP_Instance>* GetGloballySeenInstanceIDSet() OVERRIDE;
     virtual uint32 Register(PluginDispatcher* plugin_dispatcher) OVERRIDE;
     virtual void Unregister(uint32 plugin_dispatcher_id) OVERRIDE;
 
     // PluginProxyDelegate implementation.
-    virtual bool SendToBrowser(IPC::Message* msg) OVERRIDE;
     virtual IPC::Sender* GetBrowserSender() OVERRIDE;
     virtual std::string GetUILanguage() OVERRIDE;
     virtual void PreCacheFont(const void* logfontw) OVERRIDE;
     virtual void SetActiveURL(const std::string& url) OVERRIDE;
 
    private:
     base::MessageLoopProxy* ipc_message_loop_;  // Weak
     base::WaitableEvent* shutdown_event_;  // Weak
     std::set<PP_Instance> instance_id_set_;
     IPC::Sender* browser_sender_;
@@ skipping 146 matching lines @@
 //   EXPECT_VAR_IS_STRING("foo", my_var);
 #define EXPECT_VAR_IS_STRING(str, var) { \
   StringVar* sv = StringVar::FromPPVar(var); \
   EXPECT_TRUE(sv); \
   if (sv) \
     EXPECT_EQ(str, sv->value()); \
 }
 
 }  // namespace proxy
 }  // namespace ppapi