cc: Reduce surface contents scale adjustments.

cc/test/layer_tree_pixel_test.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/layer_tree_pixel_test.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include "base/command_line.h"
@@ skipping 122 matching lines @@
 void LayerTreePixelTest::EndTest() {
   // Drop TextureMailboxes on the main thread so that they can be cleaned up and
   // the pending callbacks will fire.
   for (size_t i = 0; i < texture_layers_.size(); ++i) {
     texture_layers_[i]->SetTextureMailbox(TextureMailbox(), nullptr);
   }
 
   TryEndTest();
 }
 
+void LayerTreePixelTest::InitializeSettings(LayerTreeSettings* settings) {
+  settings->layer_transforms_should_scale_layer_contents = true;
+}
+
 void LayerTreePixelTest::TryEndTest() {
   if (!result_bitmap_)
     return;
   if (pending_texture_mailbox_callbacks_)
     return;
   LayerTreeTest::EndTest();
 }
 
 scoped_refptr<SolidColorLayer> LayerTreePixelTest::
     CreateSolidColorLayerWithBorder(
@@ skipping 133 matching lines @@
 }
 
 void LayerTreePixelTest::Finish() {
   std::unique_ptr<gpu::GLInProcessContext> context =
       CreateTestInProcessContext();
   GLES2Interface* gl = context->GetImplementation();
   gl->Finish();
 }
 
 }  // namespace cc