cc: Move UnoccludedContentRect to Occlusion.

cc/layers/io_surface_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/io_surface_layer_impl.h"
 
 #include "base/strings/stringprintf.h"
 #include "cc/output/gl_renderer.h"  // For the GLC() macro.
 #include "cc/output/output_surface.h"
 #include "cc/quads/io_surface_draw_quad.h"
@@ skipping 59 matching lines @@
     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);
 
   gfx::Rect quad_rect(content_bounds());
   gfx::Rect opaque_rect(contents_opaque() ? quad_rect : gfx::Rect());
-  gfx::Rect visible_quad_rect = occlusion_tracker.UnoccludedContentRect(
-      quad_rect, draw_properties().target_space_transform);
+  gfx::Rect visible_quad_rect =
+      occlusion_tracker.GetCurrentOcclusionForLayer(
+                            draw_properties().target_space_transform)
+          .GetUnoccludedContentRect(quad_rect);
   if (visible_quad_rect.IsEmpty())
     return;
 
   IOSurfaceDrawQuad* quad =
       render_pass->CreateAndAppendDrawQuad<IOSurfaceDrawQuad>();
   quad->SetNew(shared_quad_state,
                quad_rect,
                opaque_rect,
                visible_quad_rect,
                io_surface_size_,
@@ skipping 15 matching lines @@
 
   io_surface_id_ = io_surface_id;
   io_surface_size_ = size;
 }
 
 const char* IOSurfaceLayerImpl::LayerTypeAsString() const {
   return "cc::IOSurfaceLayerImpl";
 }
 
 }  // namespace cc