Remove const LayerImpl* from QuadSink

cc/layers/ui_resource_layer_impl.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/ui_resource_layer_impl.h"
 
 #include "base/strings/stringprintf.h"
 #include "base/values.h"
 #include "cc/base/math_util.h"
 #include "cc/layers/quad_sink.h"
@@ skipping 100 matching lines @@
   static const bool premultiplied_alpha = true;
 
   DCHECK(!bounds().IsEmpty());
 
   bool opaque = layer_tree_impl()->IsUIResourceOpaque(ui_resource_id_) ||
                 contents_opaque();
 
   gfx::Rect quad_rect(bounds());
   gfx::Rect opaque_rect(opaque ? quad_rect : gfx::Rect());
   gfx::Rect visible_quad_rect = quad_sink->UnoccludedContentRect(
-      quad_rect, draw_properties().target_space_transform);
+      this, quad_rect, draw_properties().target_space_transform);
   if (visible_quad_rect.IsEmpty())
     return;
 
   scoped_ptr<TextureDrawQuad> quad = TextureDrawQuad::Create();
   quad->SetNew(shared_quad_state,
                quad_rect,
                opaque_rect,
                visible_quad_rect,
                resource,
                premultiplied_alpha,
@@ skipping 21 matching lines @@
   list->AppendDouble(vertex_opacity_[3]);
   result->Set("VertexOpacity", list);
 
   result->Set("UVTopLeft", MathUtil::AsValue(uv_top_left_).release());
   result->Set("UVBottomRight", MathUtil::AsValue(uv_bottom_right_).release());
 
   return result;
 }
 
 }  // namespace cc