Determine mask UVs based on texture size

cc/trees/effect_node.cc

 // Copyright 2016 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 "base/trace_event/trace_event_argument.h"
 #include "cc/layers/layer.h"
 #include "cc/trees/effect_node.h"
 #include "cc/trees/property_tree.h"
 
 namespace cc {
@@ skipping 28 matching lines @@
   return id == other.id && parent_id == other.parent_id &&
          owning_layer_id == other.owning_layer_id && opacity == other.opacity &&
          screen_space_opacity == other.screen_space_opacity &&
          has_render_surface == other.has_render_surface &&
          has_copy_request == other.has_copy_request &&
          filters == other.filters &&
          background_filters == other.background_filters &&
          filters_origin == other.filters_origin &&
          blend_mode == other.blend_mode &&
          surface_contents_scale == other.surface_contents_scale &&
-         unscaled_mask_target_size == other.unscaled_mask_target_size &&
          hidden_by_backface_visibility == other.hidden_by_backface_visibility &&
          double_sided == other.double_sided && is_drawn == other.is_drawn &&
          subtree_hidden == other.subtree_hidden &&
          has_potential_filter_animation ==
              other.has_potential_filter_animation &&
          has_potential_opacity_animation ==
              other.has_potential_opacity_animation &&
          is_currently_animating_filter == other.is_currently_animating_filter &&
          is_currently_animating_opacity ==
              other.is_currently_animating_opacity &&
@@ skipping 19 matching lines @@
   value->SetBoolean("effect_changed", effect_changed);
   value->SetInteger("num_copy_requests_in_subtree",
                     num_copy_requests_in_subtree);
   value->SetInteger("transform_id", transform_id);
   value->SetInteger("clip_id", clip_id);
   value->SetInteger("target_id", target_id);
   value->SetInteger("mask_layer_id", mask_layer_id);
 }
 
 }  // namespace cc