Expand pixelref to return SkImageInfo and rowbytes

src/lazy/SkLazyPixelRef.h

Index: src/lazy/SkLazyPixelRef.h
diff --git a/src/lazy/SkLazyPixelRef.h b/src/lazy/SkLazyPixelRef.h
index f8a16d168914326b52726241358bab7d77b5c2d7..c9e1bc3f8baf2fcb67f865401a56ace5febfc13e 100644
--- a/src/lazy/SkLazyPixelRef.h
+++ b/src/lazy/SkLazyPixelRef.h
@@ -60,7 +60,8 @@ public:
     SK_DECLARE_UNFLATTENABLE_OBJECT()
 
 protected:
-    virtual void* onLockPixels(SkColorTable**) SK_OVERRIDE;
+    virtual void* onLockPixels(SkImageInfo*, size_t* rowBytes,
+                               SkColorTable**) SK_OVERRIDE;
     virtual void onUnlockPixels() SK_OVERRIDE;
     virtual bool onLockPixelsAreWritable() const SK_OVERRIDE { return false; }
     virtual SkData* onRefEncodedData() SK_OVERRIDE;
@@ -86,8 +87,8 @@ private:
 
     // lazily initialized our cached info. Returns NULL on failure.
     const SkImage::Info* getCachedInfo();
-    void* lockScaledImageCachePixels();
-    void* lockImageCachePixels();
+    void* lockScaledImageCachePixels(SkImageInfo*, size_t* rowBytes);
+    void* lockImageCachePixels(SkImageInfo*, size_t* rowBytes);
 
 
     typedef SkPixelRef INHERITED;