cc: Reduce surface contents scale adjustments.

cc/test/layer_tree_pixel_test.h

 // 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.
 
 #ifndef CC_TEST_LAYER_TREE_PIXEL_TEST_H_
 #define CC_TEST_LAYER_TREE_PIXEL_TEST_H_
 
 #include <memory>
 #include <vector>
 
@@ skipping 32 matching lines @@
       scoped_refptr<ContextProvider> compositor_context_provider) override;
 
   virtual std::unique_ptr<CopyOutputRequest> CreateCopyOutputRequest();
 
   void ReadbackResult(std::unique_ptr<CopyOutputResult> result);
 
   void BeginTest() override;
   void SetupTree() override;
   void AfterTest() override;
   void EndTest() override;
+  void InitializeSettings(LayerTreeSettings* settings) override;
 
   void TryEndTest();
 
   scoped_refptr<SolidColorLayer> CreateSolidColorLayer(const gfx::Rect& rect,
                                                        SkColor color);
   scoped_refptr<SolidColorLayer> CreateSolidColorLayerWithBorder(
       const gfx::Rect& rect,
       SkColor color,
       int border_width,
       SkColor border_color);
@@ skipping 37 matching lines @@
   base::FilePath ref_file_;
   std::unique_ptr<SkBitmap> result_bitmap_;
   std::vector<scoped_refptr<TextureLayer>> texture_layers_;
   int pending_texture_mailbox_callbacks_;
   gfx::Size enlarge_texture_amount_;
 };
 
 }  // namespace cc
 
 #endif  // CC_TEST_LAYER_TREE_PIXEL_TEST_H_