cc: Use ScreenSpaceTransform to determine content scale

cc/layers/picture_layer_impl_unittest.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/layers/picture_layer_impl.h"
 
 #include <stddef.h>
 
 #include <algorithm>
 #include <limits>
@@ skipping 148 matching lines @@
                            float device_scale_factor,
                            float page_scale_factor,
                            float maximum_animation_contents_scale,
                            float starting_animation_contents_scale,
                            bool animating_transform_to_screen) {
     layer->layer_tree_impl()->SetDeviceScaleFactor(device_scale_factor);
     host_impl()->active_tree()->SetPageScaleOnActiveTree(page_scale_factor);
 
     gfx::Transform scale_transform;
     scale_transform.Scale(ideal_contents_scale, ideal_contents_scale);
-    layer->draw_properties().target_space_transform = scale_transform;
+    layer->draw_properties().screen_space_transform = scale_transform;
     layer->set_is_drawn_render_surface_layer_list_member(true);
     DCHECK_EQ(layer->GetIdealContentsScale(), ideal_contents_scale);
     layer->draw_properties().maximum_animation_contents_scale =
         maximum_animation_contents_scale;
     layer->draw_properties().starting_animation_contents_scale =
         starting_animation_contents_scale;
     layer->draw_properties().screen_space_transform_is_animating =
         animating_transform_to_screen;
   }
 
@@ skipping 4582 matching lines @@
   // New low res tiling.
   EXPECT_TRUE(tilings->tiling_at(2)->may_contain_low_resolution_tiles());
 
   // This tiling will be high res now, it won't contain low res content since it
   // was all destroyed.
   EXPECT_FALSE(tilings->tiling_at(1)->may_contain_low_resolution_tiles());
 }
 
 }  // namespace
 }  // namespace cc