Revert "PixelRef now returns (nearly) everything that is currently in SkBitmap. The goal is to refa…

src/lazy/SkDiscardablePixelRef.h

Index: src/lazy/SkDiscardablePixelRef.h
diff --git a/src/lazy/SkDiscardablePixelRef.h b/src/lazy/SkDiscardablePixelRef.h
index 313660efc5b0d1362d19c57443b9ee81772b36a3..78dcd66791f3d430da2676f57570f68218e832ca 100644
--- a/src/lazy/SkDiscardablePixelRef.h
+++ b/src/lazy/SkDiscardablePixelRef.h
@@ -50,8 +50,7 @@ public:
 
 protected:
     ~SkDiscardablePixelRef();
-
-    virtual bool onNewLockPixels(LockRec*) SK_OVERRIDE;
+    virtual void* onLockPixels(SkColorTable**) SK_OVERRIDE;
     virtual void onUnlockPixels() SK_OVERRIDE;
     virtual bool onLockPixelsAreWritable() const SK_OVERRIDE { return false; }
 
@@ -62,6 +61,8 @@ protected:
 private:
     SkImageGenerator* const fGenerator;
     SkDiscardableMemory::Factory* const fDMFactory;
+    const SkImageInfo fInfo;
+    const size_t fSize;  // size of memory to be allocated
     const size_t fRowBytes;
     // These const members should not change over the life of the
     // PixelRef, since the SkBitmap doesn't expect them to change.
@@ -71,10 +72,8 @@ private:
     /* Takes ownership of SkImageGenerator. */
     SkDiscardablePixelRef(SkImageGenerator* generator,
                           const SkImageInfo& info,
+                          size_t size,
                           size_t rowBytes,
                           SkDiscardableMemory::Factory* factory);
-
-    typedef SkPixelRef INHERITED;
 };
-
 #endif  // SkDiscardablePixelRef_DEFINED