base::Bind() conversion for remaining GPU files.

gpu/command_buffer/service/command_buffer_service.cc

 // 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.
 
 #include "gpu/command_buffer/service/command_buffer_service.h"
 
 #include <limits>
 
-#include "base/callback.h"
 #include "base/process_util.h"
 #include "gpu/command_buffer/common/cmd_buffer_common.h"
 
 using ::base::SharedMemory;
 
 namespace gpu {
 
 CommandBufferService::CommandBufferService()
     : num_entries_(0),
       get_offset_(0),
@@ skipping 90 matching lines @@
 
 CommandBufferService::State CommandBufferService::FlushSync(
     int32 put_offset, int32 last_known_get) {
   if (put_offset < 0 || put_offset > num_entries_) {
     error_ = gpu::error::kOutOfBounds;
     return GetState();
   }
 
   put_offset_ = put_offset;
 
-  if (put_offset_change_callback_.get()) {
-    put_offset_change_callback_->Run();
-  }
+  if (!put_offset_change_callback_.is_null())
+    put_offset_change_callback_.Run();
 
   return GetState();
 }
 
 void CommandBufferService::Flush(int32 put_offset) {
   if (put_offset < 0 || put_offset > num_entries_) {
     error_ = gpu::error::kOutOfBounds;
     return;
   }
 
   put_offset_ = put_offset;
 
-  if (put_offset_change_callback_.get()) {
-    put_offset_change_callback_->Run();
-  }
+  if (!put_offset_change_callback_.is_null())
+    put_offset_change_callback_.Run();
 }
 
 void CommandBufferService::SetGetOffset(int32 get_offset) {
   DCHECK(get_offset >= 0 && get_offset < num_entries_);
   get_offset_ = get_offset;
 }
 
 int32 CommandBufferService::CreateTransferBuffer(size_t size,
                                                  int32 id_request) {
   SharedMemory buffer;
@@ skipping 99 matching lines @@
   return registered_objects_[handle];
 }
 
 void CommandBufferService::SetToken(int32 token) {
   token_ = token;
 }
 
 void CommandBufferService::SetParseError(error::Error error) {
   if (error_ == error::kNoError) {
     error_ = error;
-    if (parse_error_callback_.get())
-      parse_error_callback_->Run();
+    if (!parse_error_callback_.is_null())
+      parse_error_callback_.Run();
   }
 }
 
 void CommandBufferService::SetContextLostReason(
     error::ContextLostReason reason) {
   context_lost_reason_ = reason;
 }
 
 void CommandBufferService::SetPutOffsetChangeCallback(
-    Callback0::Type* callback) {
-  put_offset_change_callback_.reset(callback);
+    const base::Closure& callback) {
+  put_offset_change_callback_ = callback;
 }
 
 void CommandBufferService::SetParseErrorCallback(
-    Callback0::Type* callback) {
-  parse_error_callback_.reset(callback);
+    const base::Closure& callback) {
+  parse_error_callback_ = callback;
 }
 
 }  // namespace gpu