Update webkit/ to use scoped_refptr<T>::get() rather than implicit "operator T*"

webkit/renderer/media/crypto/ppapi_decryptor.cc

 // Copyright 2013 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 "webkit/renderer/media/crypto/ppapi_decryptor.h"
 
 #include <string>
 
 #include "base/bind.h"
 #include "base/callback_helpers.h"
@@ skipping 20 matching lines @@
     const media::NeedKeyCB& need_key_cb)
     : plugin_instance_(plugin_instance),
       key_added_cb_(key_added_cb),
       key_error_cb_(key_error_cb),
       key_message_cb_(key_message_cb),
       need_key_cb_(need_key_cb),
       plugin_cdm_delegate_(NULL),
       render_loop_proxy_(base::MessageLoopProxy::current()),
       weak_ptr_factory_(this),
       weak_this_(weak_ptr_factory_.GetWeakPtr()) {
-  DCHECK(plugin_instance_);
+  DCHECK(plugin_instance_.get());
 }
 
 PpapiDecryptor::~PpapiDecryptor() {
   plugin_cdm_delegate_ = NULL;
   plugin_instance_ = NULL;
 }
 
 bool PpapiDecryptor::GenerateKeyRequest(const std::string& key_system,
                                         const std::string& type,
                                         const uint8* init_data,
@@ skipping 234 matching lines @@
                              const std::string& session_id,
                              const std::string& type,
                              scoped_ptr<uint8[]> init_data,
                              int init_data_size) {
   DCHECK(render_loop_proxy_->BelongsToCurrentThread());
   need_key_cb_.Run(key_system, session_id, type,
                    init_data.Pass(), init_data_size);
 }
 
 }  // namespace webkit_media