Adding blend mode to DrawProperties

cc/layers/picture_layer_impl.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/layers/picture_layer_impl.h"
 
 #include <algorithm>
 #include <limits>
 #include <set>
 
@@ skipping 153 matching lines @@
   scaled_visible_content_rect.Intersect(gfx::Rect(scaled_content_bounds));
 
   SharedQuadState* shared_quad_state =
       render_pass->CreateAndAppendSharedQuadState();
   shared_quad_state->SetAll(scaled_draw_transform,
                             scaled_content_bounds,
                             scaled_visible_content_rect,
                             draw_properties().clip_rect,
                             draw_properties().is_clipped,
                             draw_properties().opacity,
-                            blend_mode(),
+                            draw_properties().blend_mode,
                             sorting_context_id_);
 
   if (current_draw_mode_ == DRAW_MODE_RESOURCELESS_SOFTWARE) {
     AppendDebugBorderQuad(
         render_pass,
         scaled_content_bounds,
         shared_quad_state,
         append_quads_data,
         DebugColors::DirectPictureBorderColor(),
         DebugColors::DirectPictureBorderWidth(layer_tree_impl()));
@@ skipping 1584 matching lines @@
       PictureLayerTilingSet::TilingRange tiling_range = CurrentTilingRange();
       size_t current_tiling_range_offset = current_tiling_ - tiling_range.start;
       return tiling_range.end - 1 - current_tiling_range_offset;
     }
   }
   NOTREACHED();
   return 0;
 }
 
 }  // namespace cc