Remove offset to SkMallocPixelRef::NewWithData - use SkData::NewSubset instead.

include/core/SkMallocPixelRef.h

 /*
  * Copyright 2008 The Android Open Source Project
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 
 #ifndef SkMallocPixelRef_DEFINED
 #define SkMallocPixelRef_DEFINED
@@ skipping 46 matching lines @@
                                          size_t rowBytes, SkColorTable*,
                                          void* addr, ReleaseProc proc,
                                          void* context);
 
     /**
      *  Return a new SkMallocPixelRef that will use the provided
      *  SkData, rowBytes, and optional colortable as pixel storage.
      *  The SkData will be ref()ed and on destruction of the PielRef,
      *  the SkData will be unref()ed.
      *
-     *  @param offset (in bytes) into the provided SkData that the
-     *         first pixel is located at.
-     *
      *  This pixelref will ref() the specified colortable (if not NULL).
      *
      *  Returns NULL on failure.
      */
     static SkMallocPixelRef* NewWithData(const SkImageInfo& info,
                                          size_t rowBytes,
                                          SkColorTable* ctable,
-                                         SkData* data,
-                                         size_t offset = 0);
+                                         SkData* data);
 
     void* getAddr() const { return fStorage; }
 
     class PRFactory : public SkPixelRefFactory {
     public:
         virtual SkPixelRef* create(const SkImageInfo&,
                                    SkColorTable*) SK_OVERRIDE;
     };
 
     SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkMallocPixelRef)
@@ skipping 18 matching lines @@
     void*           fReleaseProcContext;
 
     SkMallocPixelRef(const SkImageInfo&, void* addr, size_t rb, SkColorTable*,
                      ReleaseProc proc, void* context);
 
     typedef SkPixelRef INHERITED;
 };
 
 
 #endif