Update from https://crrev.com/316786

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 <vector>
 
 #include "base/files/file_path.h"
@@ skipping 73 matching lines @@
   void CopyBitmapToTextureMailboxAsTexture(
       const SkBitmap& bitmap,
       TextureMailbox* texture_mailbox,
       scoped_ptr<SingleReleaseCallback>* release_callback);
 
   void ReleaseTextureMailbox(scoped_ptr<gpu::GLInProcessContext> context,
                              uint32 texture,
                              uint32 sync_point,
                              bool lost_resource);
 
+  void set_enlarge_texture_amount(const gfx::Vector2d& enlarge_texture_amount) {
+    enlarge_texture_amount_ = enlarge_texture_amount;
+  }
+
   // Common CSS colors defined for tests to use.
   static const SkColor kCSSOrange = 0xffffa500;
   static const SkColor kCSSBrown = 0xffa52a2a;
   static const SkColor kCSSGreen = 0xff008000;
 
   gfx::DisableNullDrawGLBindings enable_pixel_output_;
   scoped_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::vector<scoped_refptr<TextureLayer>> texture_layers_;
   int pending_texture_mailbox_callbacks_;
   bool impl_side_painting_;
+  gfx::Vector2d enlarge_texture_amount_;
 };
 
 }  // namespace cc
 
 #endif  // CC_TEST_LAYER_TREE_PIXEL_TEST_H_