Mac: Towards moving CALayerTree to the browser proc

ui/accelerated_widget_mac/ca_layer_partial_damage_tree_mac.h

 // Copyright 2016 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 GPU_IPC_SERVICE_CA_LAYER_PARTIAL_DAMAGE_TREE_MAC_H_
-#define GPU_IPC_SERVICE_CA_LAYER_PARTIAL_DAMAGE_TREE_MAC_H_
+#ifndef UI_ACCELERATED_WIDGET_MAC_CA_LAYER_PARTIAL_DAMAGE_TREE_MAC_H_
+#define UI_ACCELERATED_WIDGET_MAC_CA_LAYER_PARTIAL_DAMAGE_TREE_MAC_H_
 
 #include <IOSurface/IOSurface.h>
 #include <QuartzCore/QuartzCore.h>
 
 #include <deque>
 #include <memory>
 
 #include "base/mac/scoped_cftyperef.h"
+#include "ui/accelerated_widget_mac/accelerated_widget_mac_export.h"
 #include "ui/gfx/geometry/rect.h"
 #include "ui/gfx/geometry/rect_f.h"
 
-namespace gpu {
+namespace ui {
 
-class CALayerPartialDamageTree {
+class ACCELERATED_WIDGET_MAC_EXPORT CALayerPartialDamageTree {
  public:
   CALayerPartialDamageTree(bool allow_partial_swap,
                            base::ScopedCFTypeRef<IOSurfaceRef> io_surface,
                            const gfx::Rect& pixel_frame_rect);
   ~CALayerPartialDamageTree();
 
   base::ScopedCFTypeRef<IOSurfaceRef> RootLayerIOSurface();
   void CommitCALayers(CALayer* superlayer,
                       std::unique_ptr<CALayerPartialDamageTree> old_tree,
                       float scale_factor,
@@ skipping 17 matching lines @@
   void UpdateCALayers(CALayer* superlayer, float scale_factor);
 
   const bool allow_partial_swap_;
   std::unique_ptr<OverlayPlane> root_plane_;
   std::deque<std::unique_ptr<OverlayPlane>> partial_damage_planes_;
 };
 
 }  // content
 
 #endif  // GPU_IPC_SERVICE_CA_LAYER_PARTIAL_DAMAGE_TREE_MAC_H_