[#1] Delete reduntdant 19 header files in ui/gfx (8 of 19 by this)

cc/trees/occlusion_tracker.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/trees/occlusion_tracker.h"
 
 #include <algorithm>
 
 #include "cc/base/math_util.h"
 #include "cc/layers/layer.h"
 #include "cc/layers/layer_impl.h"
 #include "cc/layers/render_surface.h"
 #include "cc/layers/render_surface_impl.h"
-#include "ui/gfx/quad_f.h"
+#include "ui/gfx/geometry/quad_f.h"
 #include "ui/gfx/rect_conversions.h"
 
 namespace cc {
 
 template <typename LayerType>
 OcclusionTracker<LayerType>::OcclusionTracker(
     const gfx::Rect& screen_space_clip_rect)
     : screen_space_clip_rect_(screen_space_clip_rect),
       occluding_screen_space_rects_(NULL),
       non_occluding_screen_space_rects_(NULL) {}
@@ skipping 597 matching lines @@
   unoccluded_rect.Intersect(content_rect);
 
   return unoccluded_rect;
 }
 
 // Instantiate (and export) templates here for the linker.
 template class OcclusionTracker<Layer>;
 template class OcclusionTracker<LayerImpl>;
 
 }  // namespace cc