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

cc/test/layer_tree_pixel_test.h

Index: cc/test/layer_tree_pixel_test.h
diff --git a/cc/test/layer_tree_pixel_test.h b/cc/test/layer_tree_pixel_test.h
index 199378efb196e0655ade559a1cca2da94a1bf0a2..9a0d5925c522abdf7c62265f8a8d7f102eb90980 100644
--- a/cc/test/layer_tree_pixel_test.h
+++ b/cc/test/layer_tree_pixel_test.h
@@ -5,11 +5,11 @@
 #ifndef CC_TEST_LAYER_TREE_PIXEL_TEST_H_
 #define CC_TEST_LAYER_TREE_PIXEL_TEST_H_
 
+#include <memory>
 #include <vector>
 
 #include "base/files/file_path.h"
 #include "base/memory/ref_counted.h"
-#include "base/memory/scoped_ptr.h"
 #include "cc/resources/single_release_callback.h"
 #include "cc/test/layer_tree_test.h"
 #include "ui/gl/gl_implementation.h"
@@ -40,12 +40,12 @@ class LayerTreePixelTest : public LayerTreeTest {
   LayerTreePixelTest();
   ~LayerTreePixelTest() override;
 
-  scoped_ptr<OutputSurface> CreateOutputSurface() override;
+  std::unique_ptr<OutputSurface> CreateOutputSurface() override;
   void WillCommitCompleteOnThread(LayerTreeHostImpl* impl) override;
 
-  virtual scoped_ptr<CopyOutputRequest> CreateCopyOutputRequest();
+  virtual std::unique_ptr<CopyOutputRequest> CreateCopyOutputRequest();
 
-  void ReadbackResult(scoped_ptr<CopyOutputResult> result);
+  void ReadbackResult(std::unique_ptr<CopyOutputResult> result);
 
   void BeginTest() override;
   void SetupTree() override;
@@ -75,7 +75,7 @@ class LayerTreePixelTest : public LayerTreeTest {
                                       Layer* target,
                                       base::FilePath file_name);
 
-  scoped_ptr<SkBitmap> CopyTextureMailboxToBitmap(
+  std::unique_ptr<SkBitmap> CopyTextureMailboxToBitmap(
       const gfx::Size& size,
       const TextureMailbox& texture_mailbox);
 
@@ -91,12 +91,12 @@ class LayerTreePixelTest : public LayerTreeTest {
   static const SkColor kCSSGreen = 0xff008000;
 
   gfx::DisableNullDrawGLBindings enable_pixel_output_;
-  scoped_ptr<PixelComparator> pixel_comparator_;
+  std::unique_ptr<PixelComparator> pixel_comparator_;
   PixelTestType test_type_;
   scoped_refptr<Layer> content_root_;
   Layer* readback_target_;
   base::FilePath ref_file_;
-  scoped_ptr<SkBitmap> result_bitmap_;
+  std::unique_ptr<SkBitmap> result_bitmap_;
   std::vector<scoped_refptr<TextureLayer>> texture_layers_;
   int pending_texture_mailbox_callbacks_;
   gfx::Vector2d enlarge_texture_amount_;