Remove all uses of the global Dispatcher Get function.

ppapi/proxy/ppb_testing_proxy.h

 // 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.
 
 #ifndef PPAPI_PROXY_PPB_TESTING_PROXY_H_
 #define PPAPI_PROXY_PPB_TESTING_PROXY_H_
 
 #include "base/basictypes.h"
 #include "ppapi/c/pp_instance.h"
 #include "ppapi/c/pp_resource.h"
 #include "ppapi/proxy/host_resource.h"
 #include "ppapi/proxy/interface_proxy.h"
 
 struct PP_Point;
 struct PPB_Testing_Dev;
 
 namespace pp {
 namespace proxy {
 
 class PPB_Testing_Proxy : public InterfaceProxy {
  public:
   PPB_Testing_Proxy(Dispatcher* dispatcher, const void* target_interface);
   virtual ~PPB_Testing_Proxy();
 
+  static const Info* GetInfo();
+
   const PPB_Testing_Dev* ppb_testing_target() const {
     return static_cast<const PPB_Testing_Dev*>(target_interface());
   }
 
   // InterfaceProxy implementation.
-  virtual const void* GetSourceInterface() const;
-  virtual InterfaceID GetInterfaceId() const;
   virtual bool OnMessageReceived(const IPC::Message& msg);
 
  private:
   // Message handlers.
   void OnMsgReadImageData(const HostResource& device_context_2d,
                           const HostResource& image,
                           const PP_Point& top_left,
                           PP_Bool* result);
   void OnMsgRunMessageLoop(bool* dummy);
   void OnMsgQuitMessageLoop();
   void OnMsgGetLiveObjectsForInstance(PP_Instance instance, uint32_t* result);
 
   DISALLOW_COPY_AND_ASSIGN(PPB_Testing_Proxy);
 };
 
 }  // namespace proxy
 }  // namespace pp
 
 #endif  // PPAPI_PROXY_PPB_TESTING_PROXY_H_