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

base/callback_internal.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 "base/callback_internal.h"
 
 #include "base/logging.h"
 
 namespace base {
 namespace internal {
@@ skipping 10 matching lines @@
 }
 
 bool CallbackBase::Equals(const CallbackBase& other) const {
   return bind_state_.get() == other.bind_state_.get() &&
          polymorphic_invoke_ == other.polymorphic_invoke_;
 }
 
 CallbackBase::CallbackBase(BindStateBase* bind_state)
     : bind_state_(bind_state),
       polymorphic_invoke_(NULL) {
-  DCHECK(!bind_state_ || bind_state_->HasOneRef());
+  DCHECK(!bind_state_.get() || bind_state_->HasOneRef());
 }
 
 CallbackBase::~CallbackBase() {
 }
 
 }  // namespace internal
 }  // namespace base