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

cc/test/pixel_test_output_surface.cc

 // 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.
 
 #include "cc/test/pixel_test_output_surface.h"
 
 #include "cc/output/output_surface_client.h"
 #include "ui/gfx/transform.h"
 
 namespace cc {
@@ skipping 10 matching lines @@
 
 PixelTestOutputSurface::PixelTestOutputSurface(
     scoped_refptr<ContextProvider> context_provider,
     bool flipped_output_surface)
     : PixelTestOutputSurface(context_provider,
                              nullptr,
                              flipped_output_surface) {
 }
 
 PixelTestOutputSurface::PixelTestOutputSurface(
-    scoped_ptr<SoftwareOutputDevice> software_device)
+    std::unique_ptr<SoftwareOutputDevice> software_device)
     : OutputSurface(std::move(software_device)),
       external_stencil_test_(false) {}
 
 void PixelTestOutputSurface::Reshape(const gfx::Size& size,
                                      float scale_factor,
                                      bool has_alpha) {
   gfx::Size expanded_size(size.width() + surface_expansion_size_.width(),
                           size.height() + surface_expansion_size_.height());
   OutputSurface::Reshape(expanded_size, scale_factor, has_alpha);
 }
 
 bool PixelTestOutputSurface::HasExternalStencilTest() const {
   return external_stencil_test_;
 }
 
 void PixelTestOutputSurface::SwapBuffers(CompositorFrame* frame) {
   PostSwapBuffersComplete();
   client_->DidSwapBuffers();
 }
 
 }  // namespace cc