convert //gpu to std::unique_ptr

gpu/command_buffer/service/renderbuffer_manager.h

 // 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.
 
 #ifndef GPU_COMMAND_BUFFER_SERVICE_RENDERBUFFER_MANAGER_H_
 #define GPU_COMMAND_BUFFER_SERVICE_RENDERBUFFER_MANAGER_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
+#include <memory>
 #include <string>
+
 #include "base/containers/hash_tables.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
-#include "base/memory/scoped_ptr.h"
 #include "gpu/command_buffer/service/gl_utils.h"
 #include "gpu/command_buffer/service/memory_tracking.h"
 #include "gpu/gpu_export.h"
 
 namespace gpu {
 namespace gles2 {
 
 class FeatureInfo;
 class RenderbufferManager;
 
@@ skipping 154 matching lines @@
   // base::trace_event::MemoryDumpProvider implementation.
   bool OnMemoryDump(const base::trace_event::MemoryDumpArgs& args,
                     base::trace_event::ProcessMemoryDump* pmd) override;
 
  private:
   friend class Renderbuffer;
 
   void StartTracking(Renderbuffer* renderbuffer);
   void StopTracking(Renderbuffer* renderbuffer);
 
-  scoped_ptr<MemoryTypeTracker> memory_type_tracker_;
+  std::unique_ptr<MemoryTypeTracker> memory_type_tracker_;
   MemoryTracker* memory_tracker_;
 
   GLint max_renderbuffer_size_;
   GLint max_samples_;
 
   scoped_refptr<FeatureInfo> feature_info_;
 
   int num_uncleared_renderbuffers_;
 
   // Counts the number of Renderbuffer allocated with 'this' as its manager.
   // Allows to check no Renderbuffer will outlive this.
   unsigned renderbuffer_count_;
 
   bool have_context_;
 
   // Info for each renderbuffer in the system.
   typedef base::hash_map<GLuint, scoped_refptr<Renderbuffer> > RenderbufferMap;
   RenderbufferMap renderbuffers_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderbufferManager);
 };
 
 }  // namespace gles2
 }  // namespace gpu
 
 #endif  // GPU_COMMAND_BUFFER_SERVICE_RENDERBUFFER_MANAGER_H_