Reverting r12665 & r12666 (Remove duplicate impl for SkImageInfo flattening) due to Chromium/Blink …

include/core/SkMallocPixelRef.h

Index: include/core/SkMallocPixelRef.h
===================================================================
--- include/core/SkMallocPixelRef.h	(revision 12666)
+++ include/core/SkMallocPixelRef.h	(working copy)
@@ -17,52 +17,33 @@
 */
 class SkMallocPixelRef : public SkPixelRef {
 public:
-    /**
-     *  Return a new SkMallocPixelRef with the provided pixel storage, rowBytes,
-     *  and optional colortable. The caller is responsible for managing the
-     *  lifetime of the pixel storage buffer, as the pixelref will not try
-     *  to delete the storage.
-     *
-     *  This pixelref will ref() the specified colortable (if not NULL).
-     *
-     *  Returns NULL on failure.
+    /** Allocate the specified buffer for pixels. The memory is freed when the
+        last owner of this pixelref is gone. If addr is NULL, sk_malloc_throw()
+        is called to allocate it.
      */
-    static SkMallocPixelRef* NewDirect(const SkImageInfo&, void* addr,
-                                       size_t rowBytes, SkColorTable*);
+    SkMallocPixelRef(void* addr, size_t size, SkColorTable* ctable, bool ownPixels = true);
+    virtual ~SkMallocPixelRef();
 
-    /**
-     *  Return a new SkMallocPixelRef, automatically allocating storage for the
-     *  pixels. If rowBytes are 0, an optimal value will be chosen automatically.
-     *  If rowBytes is > 0, then it will be respected, or NULL will be returned
-     *  if rowBytes is invalid for the specified info.
-     *
-     *  This pixelref will ref() the specified colortable (if not NULL).
-     *
-     *  Returns NULL on failure.
-     */
-    static SkMallocPixelRef* NewAllocate(const SkImageInfo& info,
-                                         size_t rowBytes, SkColorTable*);
-
     void* getAddr() const { return fStorage; }
 
     SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkMallocPixelRef)
 
 protected:
-    virtual bool onNewLockPixels(LockRec*) SK_OVERRIDE;
-    virtual void onUnlockPixels() SK_OVERRIDE;
-    virtual void flatten(SkFlattenableWriteBuffer&) const SK_OVERRIDE;
-    virtual size_t getAllocatedSizeInBytes() const SK_OVERRIDE;
+    // overrides from SkPixelRef
+    virtual void* onLockPixels(SkColorTable**);
+    virtual void onUnlockPixels();
 
     SkMallocPixelRef(SkFlattenableReadBuffer& buffer);
-    SkMallocPixelRef(const SkImageInfo&, void* addr, size_t rb, SkColorTable*,
-                     bool ownsPixels);
-    virtual ~SkMallocPixelRef();
+    virtual void flatten(SkFlattenableWriteBuffer&) const SK_OVERRIDE;
 
+    // Returns the allocation size for the pixels
+    virtual size_t getAllocatedSizeInBytes() const SK_OVERRIDE { return fSize; }
+
 private:
-    void*               fStorage;
-    SkColorTable*       fCTable;
-    size_t              fRB;
-    const bool          fOwnPixels;
+    void*           fStorage;
+    size_t          fSize;
+    SkColorTable*   fCTable;
+    bool            fOwnPixels;
 
     typedef SkPixelRef INHERITED;
 };