Make cc a component

cc/contents_scaling_layer.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_CONTENTS_SCALING_LAYER_H
 #define CC_CONTENTS_SCALING_LAYER_H
 
+#include "cc/cc_export.h"
 #include "cc/layer.h"
 
 namespace cc {
 
 // Base class for layers that need contents scale.
 // The content bounds are determined by bounds and scale of the contents.
-class ContentsScalingLayer : public Layer {
+class CC_EXPORT ContentsScalingLayer : public Layer {
  public:
   virtual gfx::Size contentBounds() const OVERRIDE;
   virtual float contentsScaleX() const OVERRIDE;
   virtual float contentsScaleY() const OVERRIDE;
   virtual void setContentsScale(float contentsScale) OVERRIDE;
 
  protected:
   ContentsScalingLayer();
   virtual ~ContentsScalingLayer();
 
  private:
   float m_contentsScale;
 };
 
 }  // namespace cc
 
 #endif  // CC_CONTENTS_SCALING_LAYER_H