Speculative revert to diagnose crash in chrome. Revert "Add SkCachedData and use it for SkMipMap"

src/core/SkResourceCache.h

Index: src/core/SkResourceCache.h
diff --git a/src/core/SkResourceCache.h b/src/core/SkResourceCache.h
index 98f6d94cf4723fb65d4be3741c4d43ad7de3b77e..52196985d392cd327516f3dd97a7853955ba8c9a 100644
--- a/src/core/SkResourceCache.h
+++ b/src/core/SkResourceCache.h
@@ -10,7 +10,6 @@
 
 #include "SkBitmap.h"
 
-class SkCachedData;
 class SkDiscardableMemory;
 class SkMipMap;
 
@@ -137,8 +136,6 @@ public:
      */
     static SkBitmap::Allocator* GetAllocator();
 
-    static SkCachedData* NewCachedData(size_t bytes);
-
     /**
      *  Call SkDebugf() with diagnostic information about the state of the cache
      */
@@ -200,8 +197,6 @@ public:
     DiscardableFactory discardableFactory() const { return fDiscardableFactory; }
     SkBitmap::Allocator* allocator() const { return fAllocator; };
 
-    SkCachedData* newCachedData(size_t bytes);
-
     /**
      *  Call SkDebugf() with diagnostic information about the state of the cache
      */