convert //gpu to std::unique_ptr

gpu/command_buffer/service/transfer_buffer_manager.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 "gpu/command_buffer/service/transfer_buffer_manager.h"
 
 #include <stdint.h>
 
 #include <limits>
+#include <memory>
 
 #include "base/logging.h"
-#include "base/memory/scoped_ptr.h"
 #include "base/process/process_handle.h"
 #include "base/strings/stringprintf.h"
 #include "base/thread_task_runner_handle.h"
 #include "base/trace_event/memory_allocator_dump.h"
 #include "base/trace_event/memory_dump_manager.h"
 #include "base/trace_event/process_memory_dump.h"
 #include "base/trace_event/trace_event.h"
 #include "gpu/command_buffer/common/cmd_buffer_common.h"
 #include "gpu/command_buffer/common/gles2_cmd_utils.h"
 #include "gpu/command_buffer/service/memory_tracking.h"
@@ skipping 28 matching lines @@
   if (memory_tracker_) {
     base::trace_event::MemoryDumpManager::GetInstance()->RegisterDumpProvider(
         this, "gpu::TransferBufferManager",
         base::ThreadTaskRunnerHandle::Get());
   }
   return true;
 }
 
 bool TransferBufferManager::RegisterTransferBuffer(
     int32_t id,
-    scoped_ptr<BufferBacking> buffer_backing) {
+    std::unique_ptr<BufferBacking> buffer_backing) {
   if (id <= 0) {
     DVLOG(0) << "Cannot register transfer buffer with non-positive ID.";
     return false;
   }
 
   // Fail if the ID is in use.
   if (registered_buffers_.find(id) != registered_buffers_.end()) {
     DVLOG(0) << "Buffer ID already in use.";
     return false;
   }
@@ skipping 53 matching lines @@
     auto guid =
         GetBufferGUIDForTracing(memory_tracker_->ClientTracingId(), buffer_id);
     pmd->CreateSharedGlobalAllocatorDump(guid);
     pmd->AddOwnershipEdge(dump->guid(), guid);
   }
 
   return true;
 }
 
 }  // namespace gpu