Handle drawBitmapRect src_rect->dst_rect mapping as a local matrix rather than view matrix when the…

include/gpu/SkGpuDevice.h

Index: include/gpu/SkGpuDevice.h
diff --git a/include/gpu/SkGpuDevice.h b/include/gpu/SkGpuDevice.h
index 198bad3788735f5c3da9d7075ea9c59c937b264c..9b7129fbf6239a8aa1c09e7bfc953e45428c80f2 100644
--- a/include/gpu/SkGpuDevice.h
+++ b/include/gpu/SkGpuDevice.h
@@ -177,7 +177,7 @@ private:
     void drawBitmapCommon(const SkDraw&,
                           const SkBitmap& bitmap,
                           const SkRect* srcRectPtr,
-                          const SkMatrix&,
+                          const SkSize* dstSizePtr,      // ignored iff srcRectPtr == NULL
                           const SkPaint&,
                           SkCanvas::DrawBitmapRectFlags flags);