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

cc/output/vulkan_renderer.h

 // Copyright (c) 2016 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_OUTPUT_VULKAN_RENDERER_H_
 #define CC_OUTPUT_VULKAN_RENDERER_H_
 
 #include "cc/base/cc_export.h"
 #include "cc/output/direct_renderer.h"
 #include "cc/output/renderer.h"
 
 namespace cc {
 
 class TextureMailboxDeleter;
 
 class VulkanRenderer : public DirectRenderer {
  public:
-  static scoped_ptr<VulkanRenderer> Create(
+  static std::unique_ptr<VulkanRenderer> Create(
       RendererClient* client,
       const RendererSettings* settings,
       OutputSurface* output_surface,
       ResourceProvider* resource_provider,
       TextureMailboxDeleter* texture_mailbox_deleter,
       int highp_threshold_min);
 
   ~VulkanRenderer() override;
 
   // Implementation of public Renderer functions.
@@ skipping 27 matching lines @@
   void BeginDrawingFrame(DrawingFrame* frame) override;
   void FinishDrawingFrame(DrawingFrame* frame) override;
   void FinishDrawingQuadList() override;
   bool FlippedFramebuffer(const DrawingFrame* frame) const override;
   void EnsureScissorTestEnabled() override;
   void EnsureScissorTestDisabled() override;
   void DiscardBackbuffer() override;
   void EnsureBackbuffer() override;
   void CopyCurrentRenderPassToBitmap(
       DrawingFrame* frame,
-      scoped_ptr<CopyOutputRequest> request) override;
+      std::unique_ptr<CopyOutputRequest> request) override;
 
  private:
   RendererCapabilitiesImpl capabilities_;
 
   DISALLOW_COPY_AND_ASSIGN(VulkanRenderer);
 };
 
 }  // namespace cc
 
 #endif  // CC_OUTPUT_VULKAN_RENDERER_H_