Big Cleanup: SkBitmapFactory, SkLazyPixelRef, SkImageCache

src/core/SkDiscardableMemory.h

Index: src/core/SkDiscardableMemory.h
diff --git a/src/core/SkDiscardableMemory.h b/src/core/SkDiscardableMemory.h
index e1634eef4f4013a5945f4cb64f67b09c17d16271..97464092bad07b7b8f57f8e8102c28b5f4c8b026 100644
--- a/src/core/SkDiscardableMemory.h
+++ b/src/core/SkDiscardableMemory.h
@@ -8,6 +8,7 @@
 #ifndef SkDiscardableMemory_DEFINED
 #define SkDiscardableMemory_DEFINED
 
+#include "SkRefCnt.h"
 #include "SkTypes.h"
 
 /**
@@ -23,6 +24,16 @@ public:
      */
     static SkDiscardableMemory* Create(size_t bytes);
 
+    /**
+     *  Factory class that creates, initializes and locks an SkDiscardableMemory
+     *  object. If either of these steps fails, a NULL pointer will be returned.
+     */
+    class Factory : public SkRefCnt {
+    public:
+        virtual SkDiscardableMemory* create(size_t bytes) = 0;
+        virtual ~Factory() { }

[reed1, 2013/12/04 20:09:47]

Unneeded, since SkRefCnt has a virtual destructor (and must, by definition).

+    };
+
     /** Must not be called while locked.
      */
     virtual ~SkDiscardableMemory() {}