Convert //cc from scoped_ptr to std::unique_ptr.

cc/trees/blocking_task_runner.h

 // Copyright 2013 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 CC_TREES_BLOCKING_TASK_RUNNER_H_
 #define CC_TREES_BLOCKING_TASK_RUNNER_H_
 
+#include <memory>
 #include <vector>
 
 #include "base/location.h"
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "base/single_thread_task_runner.h"
 #include "base/synchronization/lock.h"
 #include "base/threading/platform_thread.h"
 #include "cc/base/cc_export.h"
 
 namespace cc {
 
 // This class wraps a SingleThreadTaskRunner but allows posted tasks to be
 // run without a round trip through the message loop. This shortcutting
 // removes guarantees about ordering. Tasks posted while the
@@ skipping 18 matching lines @@
 // immediately.
 //
 // Beware of re-entrancy, make sure the CapturePostTasks object is destroyed at
 // a time when it makes sense for the embedder to call arbitrary things.
 class CC_EXPORT BlockingTaskRunner {
  public:
   // Creates a BlockingTaskRunner for a given SingleThreadTaskRunner.
   // |task_runner| will be used to run the tasks which are posted while we are
   // not capturing. |task_runner| should belong to same the thread on which
   // capturing is done.
-  static scoped_ptr<BlockingTaskRunner> Create(
+  static std::unique_ptr<BlockingTaskRunner> Create(
       scoped_refptr<base::SingleThreadTaskRunner> task_runner);
 
   ~BlockingTaskRunner();
 
   // While an object of this type is held alive on a thread, any tasks
   // posted to the thread will be captured and run as soon as the object
   // is destroyed, shortcutting past the task runner.
   class CC_EXPORT CapturePostTasks {
    public:
     explicit CapturePostTasks(BlockingTaskRunner* blocking_runner);
@@ skipping 28 matching lines @@
   base::Lock lock_;
   int capture_;
   std::vector<base::Closure> captured_tasks_;
 
   DISALLOW_COPY_AND_ASSIGN(BlockingTaskRunner);
 };
 
 }  // namespace cc
 
 #endif  // CC_TREES_BLOCKING_TASK_RUNNER_H_