convert //gpu to std::unique_ptr

gpu/command_buffer/client/mapped_memory.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/client/mapped_memory.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <algorithm>
 #include <functional>
 
 #include "base/atomic_sequence_num.h"
 #include "base/logging.h"
+#include "base/memory/ptr_util.h"
 #include "base/strings/stringprintf.h"
 #include "base/thread_task_runner_handle.h"
 #include "base/trace_event/memory_dump_manager.h"
 #include "base/trace_event/trace_event.h"
 #include "gpu/command_buffer/client/cmd_buffer_helper.h"
 #include "gpu/command_buffer/common/buffer.h"
 
 namespace gpu {
 namespace {
 
@@ skipping 88 matching lines @@
       ((size + chunk_size_multiple_ - 1) / chunk_size_multiple_) *
       chunk_size_multiple_;
   int32_t id = -1;
   scoped_refptr<gpu::Buffer> shm =
       cmd_buf->CreateTransferBuffer(chunk_size, &id);
   if (id  < 0)
     return NULL;
   DCHECK(shm.get());
   MemoryChunk* mc = new MemoryChunk(id, shm, helper_);
   allocated_memory_ += mc->GetSize();
-  chunks_.push_back(make_scoped_ptr(mc));
+  chunks_.push_back(base::WrapUnique(mc));
   void* mem = mc->Alloc(size);
   DCHECK(mem);
   *shm_id = mc->shm_id();
   *shm_offset = mc->GetOffset(mem);
   return mem;
 }
 
 void MappedMemoryManager::Free(void* pointer) {
   for (auto& chunk : chunks_) {
     if (chunk->IsInChunk(pointer)) {
@@ skipping 76 matching lines @@
 void ScopedMappedMemoryPtr::Reset(uint32_t new_size) {
   Release();
 
   if (new_size) {
     buffer_ = mapped_memory_manager_->Alloc(new_size, &shm_id_, &shm_offset_);
     size_ = buffer_ ? new_size : 0;
   }
 }
 
 }  // namespace gpu