Do not clip inside OcclusionTracker: Contributing Surfaces Edition.

cc/trees/occlusion_tracker.h

 // 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.
 
 #ifndef CC_TREES_OCCLUSION_TRACKER_H_
 #define CC_TREES_OCCLUSION_TRACKER_H_
 
 #include <vector>
 
 #include "base/basictypes.h"
@@ skipping 44 matching lines @@
   // |draw_transform| and |impl_draw_transform_is_unknown| are relative to that.
   gfx::Rect UnoccludedContentRect(const LayerType* render_target,
                                   const gfx::Rect& content_rect,
                                   const gfx::Transform& draw_transform) const;
 
   // Gives an unoccluded sub-rect of |content_rect| in the content space of the
   // render_target owned by the layer. Used when considering occlusion for a
   // contributing surface that is rendering into another target.
   gfx::Rect UnoccludedContributingSurfaceContentRect(
       const LayerType* layer,
-      bool for_replica,
-      const gfx::Rect& content_rect) const;
+      const gfx::Rect& content_rect,
+      const gfx::Transform& draw_transform) const;
 
   // Gives the region of the screen that is not occluded by something opaque.
   Region ComputeVisibleRegionInScreen() const {
     DCHECK(!stack_.back().target->parent());
     return SubtractRegions(screen_space_clip_rect_,
                            stack_.back().occlusion_from_inside_target);
   }
 
   void set_minimum_tracking_size(const gfx::Size& size) {
     minimum_tracking_size_ = size;
@@ skipping 65 matching lines @@
 };
 
 #if !defined(COMPILER_MSVC)
 extern template class OcclusionTracker<Layer>;
 extern template class OcclusionTracker<LayerImpl>;
 #endif
 
 }  // namespace cc
 
 #endif  // CC_TREES_OCCLUSION_TRACKER_H_