Make the PPP wrappers take an Instance*.

ppapi/cpp/dev/video_decoder_client_dev.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/cpp/dev/video_decoder_client_dev.h"
 
 #include "ppapi/c/dev/ppp_video_decoder_dev.h"
 #include "ppapi/cpp/dev/video_decoder_dev.h"
 #include "ppapi/cpp/instance.h"
 #include "ppapi/cpp/instance_handle.h"
@@ skipping 52 matching lines @@
 
 static PPP_VideoDecoder_Dev videodecoder_interface = {
   &ProvidePictureBuffers,
   &DismissPictureBuffer,
   &PictureReady,
   &NotifyError,
 };
 
 }  // namespace
 
-VideoDecoderClient_Dev::VideoDecoderClient_Dev(const InstanceHandle& instance)
+VideoDecoderClient_Dev::VideoDecoderClient_Dev(Instance* instance)
     : associated_instance_(instance) {
   Module::Get()->AddPluginInterface(kPPPVideoDecoderInterface,
                                     &videodecoder_interface);
-  Instance::AddPerInstanceObject(instance, kPPPVideoDecoderInterface, this);
+  instance->AddPerInstanceObject(kPPPVideoDecoderInterface, this);
 }
 
 VideoDecoderClient_Dev::~VideoDecoderClient_Dev() {
   Instance::RemovePerInstanceObject(associated_instance_,
                                     kPPPVideoDecoderInterface, this);
 }
 
 }  // namespace pp