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

cc/test/fake_channel_impl.h

 // Copyright 2015 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_TEST_FAKE_CHANNEL_IMPL_H_
 #define CC_TEST_FAKE_CHANNEL_IMPL_H_
 
 #include "base/macros.h"
 #include "cc/trees/channel_impl.h"
 
 namespace cc {
 
 class FakeChannelImpl : public ChannelImpl {
  public:
   FakeChannelImpl();
 
   ~FakeChannelImpl() override {}
 
   void DidCompleteSwapBuffers() override {}
   void SetRendererCapabilitiesMainCopy(
       const RendererCapabilities& capabilities) override {}
   void BeginMainFrameNotExpectedSoon() override {}
   void DidCommitAndDrawFrame() override {}
-  void SetAnimationEvents(scoped_ptr<AnimationEvents> queue) override;
+  void SetAnimationEvents(std::unique_ptr<AnimationEvents> queue) override;
   void DidLoseOutputSurface() override {}
   void RequestNewOutputSurface() override {}
   void DidInitializeOutputSurface(
       bool success,
       const RendererCapabilities& capabilities) override {}
   void DidCompletePageScaleAnimation() override {}
   void PostFrameTimingEventsOnMain(
-      scoped_ptr<FrameTimingTracker::CompositeTimingSet> composite_events,
-      scoped_ptr<FrameTimingTracker::MainFrameTimingSet> main_frame_events)
+      std::unique_ptr<FrameTimingTracker::CompositeTimingSet> composite_events,
+      std::unique_ptr<FrameTimingTracker::MainFrameTimingSet> main_frame_events)
       override {}
-  void BeginMainFrame(scoped_ptr<BeginMainFrameAndCommitState>
+  void BeginMainFrame(std::unique_ptr<BeginMainFrameAndCommitState>
                           begin_main_frame_state) override {}
 };
 
 }  // namespace cc
 
 #endif  // CC_TEST_FAKE_CHANNEL_IMPL_H_