Optimizing ColorFilter in display lists

Change-Id: Ie4d5e5b0bc45e0ce47bba144049303c270762e54
diff --git a/libs/hwui/ResourceCache.h b/libs/hwui/ResourceCache.h
index b550367..d9b3718 100644
--- a/libs/hwui/ResourceCache.h
+++ b/libs/hwui/ResourceCache.h
@@ -18,6 +18,7 @@
 #define ANDROID_UI_RESOURCE_CACHE_H
 
 #include <SkBitmap.h>
+#include <SkiaColorFilter.h>
 #include <SkiaShader.h>
 #include <utils/KeyedVector.h>
 
@@ -30,6 +31,7 @@
 enum ResourceType {
     kBitmap,
     kShader,
+    kColorFilter,
 };
 
 class ResourceReference {
@@ -53,14 +55,17 @@
     ~ResourceCache();
     void incrementRefcount(SkBitmap* resource);
     void incrementRefcount(SkiaShader* resource);
+    void incrementRefcount(SkiaColorFilter* resource);
     void incrementRefcount(const void* resource, ResourceType resourceType);
     void decrementRefcount(void* resource);
     void decrementRefcount(SkBitmap* resource);
     void decrementRefcount(SkiaShader* resource);
+    void decrementRefcount(SkiaColorFilter* resource);
     void recycle(void* resource);
     void recycle(SkBitmap* resource);
     void destructor(SkBitmap* resource);
     void destructor(SkiaShader* resource);
+    void destructor(SkiaColorFilter* resource);
 private:
     void deleteResourceReference(void* resource, ResourceReference* ref);
     void incrementRefcount(void* resource, ResourceType resourceType);