Rasterize at maximum scale for scale animations on CPU-rasterized layers

cc/test/tiled_layer_test_common.cc

 // Copyright 2012 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/tiled_layer_test_common.h"
 
 namespace cc {
 
 FakeLayerUpdater::Resource::Resource(FakeLayerUpdater* layer,
                                      scoped_ptr<PrioritizedResource> texture)
@@ skipping 98 matching lines @@
 }
 
 PrioritizedResourceManager* FakeTiledLayer::ResourceManager() {
   return resource_manager_;
 }
 
 void FakeTiledLayer::UpdateContentsScale(float ideal_contents_scale) {
   CalculateContentsScale(ideal_contents_scale,
                          1.f,
                          1.f,
+                         1.f,
                          false,  // animating_transform_to_screen
                          &draw_properties().contents_scale_x,
                          &draw_properties().contents_scale_y,
                          &draw_properties().content_bounds);
 }
 
 void FakeTiledLayer::ResetNumDependentsNeedPushProperties() {
   size_t num = 0;
   if (mask_layer()) {
     if (mask_layer()->needs_push_properties() ||
@@ skipping 20 matching lines @@
 void FakeTiledLayerWithScaledBounds::SetContentBounds(
     const gfx::Size& content_bounds) {
   forced_content_bounds_ = content_bounds;
   draw_properties().content_bounds = forced_content_bounds_;
 }
 
 void FakeTiledLayerWithScaledBounds::CalculateContentsScale(
     float ideal_contents_scale,
     float device_scale_factor,
     float page_scale_factor,
+    float maximum_animation_contents_scale,
     bool animating_transform_to_screen,
     float* contents_scale_x,
     float* contents_scale_y,
     gfx::Size* content_bounds) {
   *contents_scale_x =
       static_cast<float>(forced_content_bounds_.width()) / bounds().width();
   *contents_scale_y =
       static_cast<float>(forced_content_bounds_.height()) / bounds().height();
   *content_bounds = forced_content_bounds_;
 }
 
 }  // namespace cc