Make cc a component

cc/occlusion_tracker.h

Index: cc/occlusion_tracker.h
diff --git a/cc/occlusion_tracker.h b/cc/occlusion_tracker.h
index 841dea42e7fc77385aa9f37f9986ed924d82ee0b..8c437be385f8bd2eef1c3576558e920e7cc72d4a 100644
--- a/cc/occlusion_tracker.h
+++ b/cc/occlusion_tracker.h
@@ -8,6 +8,7 @@
 #include "FloatQuad.h"
 #include "Region.h"
 #include "base/basictypes.h"
+#include "cc/cc_export.h"
 #include "cc/layer_iterator.h"
 #include "ui/gfx/rect.h"
 
@@ -24,9 +25,10 @@ class RenderSurface;
 // If the current layer owns a RenderSurfaceImpl, then occlusion on that RenderSurfaceImpl may also be queried via surfaceOccluded() and surfaceUnoccludedContentRect().
 // Finally, once finished with the layer, occlusion behind the layer should be marked by calling markOccludedBehindLayer().
 template<typename LayerType, typename RenderSurfaceType>
-class OcclusionTrackerBase {
+class CC_EXPORT OcclusionTrackerBase {
 public:
-  OcclusionTrackerBase(gfx::Rect rootTargetRect, bool recordMetricsForFrame);
+    OcclusionTrackerBase(gfx::Rect rootTargetRect, bool recordMetricsForFrame);
+    ~OcclusionTrackerBase();
 
     // Called at the beginning of each step in the LayerIterator's front-to-back traversal.
     void enterLayer(const LayerIteratorPosition<LayerType>&);