cc: Move UnoccludedContentRect to Occlusion.

cc/layers/solid_color_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/solid_color_layer_impl.h"
 
 #include <algorithm>
 
 #include "cc/quads/solid_color_draw_quad.h"
 #include "cc/trees/occlusion_tracker.h"
@@ skipping 15 matching lines @@
     RenderPass* render_pass,
     const OcclusionTracker<LayerImpl>& occlusion_tracker,
     AppendQuadsData* append_quads_data) {
   SharedQuadState* shared_quad_state =
       render_pass->CreateAndAppendSharedQuadState();
   PopulateSharedQuadState(shared_quad_state);
 
   AppendDebugBorderQuad(
       render_pass, content_bounds(), shared_quad_state, append_quads_data);
 
+  Occlusion occlusion = occlusion_tracker.GetCurrentOcclusionForLayer(
+      draw_properties().target_space_transform);
+
   // We create a series of smaller quads instead of just one large one so that
   // the culler can reduce the total pixels drawn.
   int width = content_bounds().width();
   int height = content_bounds().height();
   for (int x = 0; x < width; x += tile_size_) {
     for (int y = 0; y < height; y += tile_size_) {
       gfx::Rect quad_rect(x,
                           y,
                           std::min(width - x, tile_size_),
                           std::min(height - y, tile_size_));
-      gfx::Rect visible_quad_rect = occlusion_tracker.UnoccludedContentRect(
-          quad_rect, draw_properties().target_space_transform);
+      gfx::Rect visible_quad_rect =
+          occlusion.GetUnoccludedContentRect(quad_rect);
       if (visible_quad_rect.IsEmpty())
         continue;
 
       SolidColorDrawQuad* quad =
           render_pass->CreateAndAppendDrawQuad<SolidColorDrawQuad>();
       quad->SetNew(shared_quad_state,
                    quad_rect,
                    visible_quad_rect,
                    background_color(),
                    false);
     }
   }
 }
 
 const char* SolidColorLayerImpl::LayerTypeAsString() const {
   return "cc::SolidColorLayerImpl";
 }
 
 }  // namespace cc