cc cleanup: Update paths to geometry headers

cc/layers/paint_properties.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_LAYERS_PAINT_PROPERTIES_H_
 #define CC_LAYERS_PAINT_PROPERTIES_H_
 
-#include "ui/gfx/size.h"
+#include "ui/gfx/geometry/size.h"
 
 namespace cc {
 
 // Container for properties that layers need to save before they can be paint.
 struct CC_EXPORT PaintProperties {
   PaintProperties() : source_frame_number(-1) {}
 
   gfx::Size bounds;
 
   int source_frame_number;
 };
 
 }  // namespace cc
 
 #endif  // CC_LAYERS_PAINT_PROPERTIES_H_