Remove const LayerImpl* from QuadSink

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 "base/time/time.h"
@@ skipping 137 matching lines @@
     AppendDebugBorderQuad(
         quad_sink,
         shared_quad_state,
         append_quads_data,
         DebugColors::DirectPictureBorderColor(),
         DebugColors::DirectPictureBorderWidth(layer_tree_impl()));
 
     gfx::Rect geometry_rect = rect;
     gfx::Rect opaque_rect = contents_opaque() ? geometry_rect : gfx::Rect();
     gfx::Rect visible_geometry_rect =
-        quad_sink->UnoccludedContentRect(geometry_rect, draw_transform());
+        quad_sink->UnoccludedContentRect(this, geometry_rect, draw_transform());
     if (visible_geometry_rect.IsEmpty())
       return;
 
     gfx::Size texture_size = rect.size();
     gfx::RectF texture_rect = gfx::RectF(texture_size);
     gfx::Rect quad_content_rect = rect;
     float contents_scale = contents_scale_x();
 
     scoped_ptr<PictureDrawQuad> quad = PictureDrawQuad::Create();
     quad->SetNew(shared_quad_state,
@@ skipping 65 matching lines @@
   std::vector<PictureLayerTiling*> seen_tilings;
 
   size_t missing_tile_count = 0u;
   size_t on_demand_missing_tile_count = 0u;
   for (PictureLayerTilingSet::CoverageIterator iter(
       tilings_.get(), contents_scale_x(), rect, ideal_contents_scale_);
        iter;
        ++iter) {
     gfx::Rect geometry_rect = iter.geometry_rect();
     gfx::Rect visible_geometry_rect =
-        quad_sink->UnoccludedContentRect(geometry_rect, draw_transform());
+        quad_sink->UnoccludedContentRect(this, geometry_rect, draw_transform());
     if (visible_geometry_rect.IsEmpty())
       continue;
 
     append_quads_data->visible_content_area +=
         visible_geometry_rect.width() * visible_geometry_rect.height();
 
     scoped_ptr<DrawQuad> draw_quad;
     if (*iter && iter->IsReadyToDraw()) {
       const ManagedTileState::TileVersion& tile_version =
           iter->GetTileVersionForDrawing();
@@ skipping 1359 matching lines @@
   return iterator_index_ < iterators_.size();
 }
 
 bool PictureLayerImpl::LayerEvictionTileIterator::IsCorrectType(
     PictureLayerTiling::TilingEvictionTileIterator* it) const {
   return it->get_type() == iteration_stage_ &&
          (**it)->required_for_activation() == required_for_activation_;
 }
 
 }  // namespace cc