Rename the shared_impl resource files to give them more regular names.

ppapi/proxy/ppb_instance_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_INSTANCE_PROXY_H_
 #define PPAPI_PROXY_PPB_INSTANCE_PROXY_H_
 
 #include "ppapi/c/pp_instance.h"
 #include "ppapi/c/pp_resource.h"
 #include "ppapi/c/pp_var.h"
 #include "ppapi/cpp/completion_callback.h"
 #include "ppapi/proxy/interface_proxy.h"
 #include "ppapi/proxy/proxy_non_thread_safe_ref_count.h"
 #include "ppapi/shared_impl/function_group_base.h"
 #include "ppapi/shared_impl/host_resource.h"
-#include "ppapi/shared_impl/instance_impl.h"
+#include "ppapi/shared_impl/ppb_instance_shared.h"
 #include "ppapi/thunk/ppb_instance_api.h"
 
 // Windows headers interfere with this file.
 #ifdef PostMessage
 #undef PostMessage
 #endif
 
 namespace ppapi {
 namespace proxy {
 
 class SerializedVarReceiveInput;
 class SerializedVarOutParam;
 class SerializedVarReturnValue;
 
 class PPB_Instance_Proxy : public InterfaceProxy,
-                           public ppapi::InstanceImpl,
-                           public ppapi::thunk::PPB_Instance_FunctionAPI {
+                           public PPB_Instance_Shared,
+                           public thunk::PPB_Instance_FunctionAPI {
  public:
   PPB_Instance_Proxy(Dispatcher* dispatcher);
   virtual ~PPB_Instance_Proxy();
 
   static const Info* GetInfoPrivate();
 
   // InterfaceProxy implementation.
   virtual bool OnMessageReceived(const IPC::Message& msg);
 
   // FunctionGroupBase overrides.
@@ skipping 124 matching lines @@
   void MouseLockCompleteInHost(int32_t result, PP_Instance instance);
 
   pp::CompletionCallbackFactory<PPB_Instance_Proxy,
                                 ProxyNonThreadSafeRefCount> callback_factory_;
 };
 
 }  // namespace proxy
 }  // namespace ppapi
 
 #endif  // PPAPI_PROXY_PPB_INSTANCE_PROXY_H_