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

cc/trees/layer_tree_host_pixeltest_readback.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 "build/build_config.h"
 #include "cc/layers/solid_color_layer.h"
 #include "cc/layers/texture_layer.h"
 #include "cc/output/copy_output_request.h"
 #include "cc/output/copy_output_result.h"
 #include "cc/test/fake_picture_layer.h"
@@ skipping 42 matching lines @@
 
   void RunReadbackTestWithReadbackTarget(PixelTestType type,
                                          ReadbackType readback_type,
                                          scoped_refptr<Layer> content_root,
                                          Layer* target,
                                          base::FilePath file_name) {
     readback_type_ = readback_type;
     RunPixelTestWithReadbackTarget(type, content_root, target, file_name);
   }
 
-  scoped_ptr<CopyOutputRequest> CreateCopyOutputRequest() override {
-    scoped_ptr<CopyOutputRequest> request;
+  std::unique_ptr<CopyOutputRequest> CreateCopyOutputRequest() override {
+    std::unique_ptr<CopyOutputRequest> request;
 
     if (readback_type_ == READBACK_BITMAP) {
       request = CopyOutputRequest::CreateBitmapRequest(
           base::Bind(&LayerTreeHostReadbackPixelTest::ReadbackResultAsBitmap,
                      base::Unretained(this)));
     } else {
       DCHECK_EQ(readback_type_, READBACK_DEFAULT);
       if (test_type_ == PIXEL_TEST_SOFTWARE) {
         request = CopyOutputRequest::CreateRequest(
             base::Bind(&LayerTreeHostReadbackPixelTest::ReadbackResultAsBitmap,
@@ skipping 22 matching lines @@
 
   void DidCommitAndDrawFrame() override {
     if (insert_copy_request_after_frame_count_ ==
         layer_tree_host()->source_frame_number()) {
       Layer* const target =
           readback_target_ ? readback_target_ : layer_tree_host()->root_layer();
       target->RequestCopyOfOutput(CreateCopyOutputRequest());
     }
   }
 
-  void ReadbackResultAsBitmap(scoped_ptr<CopyOutputResult> result) {
+  void ReadbackResultAsBitmap(std::unique_ptr<CopyOutputResult> result) {
     EXPECT_TRUE(task_runner_provider()->IsMainThread());
     EXPECT_TRUE(result->HasBitmap());
     result_bitmap_ = result->TakeBitmap();
     EndTest();
   }
 
-  void ReadbackResultAsTexture(scoped_ptr<CopyOutputResult> result) {
+  void ReadbackResultAsTexture(std::unique_ptr<CopyOutputResult> result) {
     EXPECT_TRUE(task_runner_provider()->IsMainThread());
     EXPECT_TRUE(result->HasTexture());
 
     TextureMailbox texture_mailbox;
-    scoped_ptr<SingleReleaseCallback> release_callback;
+    std::unique_ptr<SingleReleaseCallback> release_callback;
     result->TakeTexture(&texture_mailbox, &release_callback);
     EXPECT_TRUE(texture_mailbox.IsValid());
     EXPECT_TRUE(texture_mailbox.IsTexture());
 
-    scoped_ptr<SkBitmap> bitmap =
+    std::unique_ptr<SkBitmap> bitmap =
         CopyTextureMailboxToBitmap(result->size(), texture_mailbox);
     release_callback->Run(gpu::SyncToken(), false);
 
     ReadbackResultAsBitmap(
         CopyOutputResult::CreateBitmapResult(std::move(bitmap)));
   }
 
   ReadbackType readback_type_;
   gfx::Rect copy_subrect_;
   int insert_copy_request_after_frame_count_;
 };
 
-void IgnoreReadbackResult(scoped_ptr<CopyOutputResult> result) {
-}
+void IgnoreReadbackResult(std::unique_ptr<CopyOutputResult> result) {}
 
 TEST_P(LayerTreeHostReadbackPixelTest, ReadbackRootLayer) {
   scoped_refptr<SolidColorLayer> background =
       CreateSolidColorLayer(gfx::Rect(200, 200), SK_ColorWHITE);
 
   scoped_refptr<SolidColorLayer> green =
       CreateSolidColorLayer(gfx::Rect(200, 200), SK_ColorGREEN);
   background->AddChild(green);
 
   RunReadbackTest(GetParam().pixel_test_type, GetParam().readback_type,
@@ skipping 399 matching lines @@
                            READBACK_DEFAULT),
         ReadbackTestConfig(LayerTreeHostReadbackPixelTest::PIXEL_TEST_GL,
                            READBACK_DEFAULT),
         ReadbackTestConfig(LayerTreeHostReadbackPixelTest::PIXEL_TEST_GL,
                            READBACK_BITMAP)));
 
 }  // namespace
 }  // namespace cc
 
 #endif  // OS_ANDROID