Update from https://crrev.com/304121

cc/layers/layer_impl.h

 // Copyright 2011 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_LAYERS_LAYER_IMPL_H_
 #define CC_LAYERS_LAYER_IMPL_H_
 
 #include <set>
 #include <string>
 
@@ skipping 305 matching lines @@
 
   // The following are shortcut accessors to get various information from
   // draw_properties_
   const gfx::Transform& draw_transform() const {
     return draw_properties_.target_space_transform;
   }
   const gfx::Transform& screen_space_transform() const {
     return draw_properties_.screen_space_transform;
   }
   float draw_opacity() const { return draw_properties_.opacity; }
+  SkXfermode::Mode draw_blend_mode() const {
+    return draw_properties_.blend_mode;
+  }
   bool draw_opacity_is_animating() const {
     return draw_properties_.opacity_is_animating;
   }
   bool draw_transform_is_animating() const {
     return draw_properties_.target_space_transform_is_animating;
   }
   bool screen_space_transform_is_animating() const {
     return draw_properties_.screen_space_transform_is_animating;
   }
   bool screen_space_opacity_is_animating() const {
@@ skipping 382 matching lines @@
   DrawProperties<LayerImpl> draw_properties_;
 
   scoped_refptr<base::debug::ConvertableToTraceFormat> debug_info_;
 
   DISALLOW_COPY_AND_ASSIGN(LayerImpl);
 };
 
 }  // namespace cc
 
 #endif  // CC_LAYERS_LAYER_IMPL_H_