Handle drawBitmapRect src_rect->dst_rect mapping as a local matrix rather than view matrix when there is a mask filter.

BUG=skia:1998
R=robertphillips@google.com

Author: bsalomon@google.com

Review URL: https://codereview.chromium.org/131323004

git-svn-id: http://skia.googlecode.com/svn/trunk@13041 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/include/gpu/SkGpuDevice.h b/include/gpu/SkGpuDevice.h
index 198bad3..9b7129f 100644
--- a/include/gpu/SkGpuDevice.h
+++ b/include/gpu/SkGpuDevice.h
@@ -177,7 +177,7 @@
     void drawBitmapCommon(const SkDraw&,
                           const SkBitmap& bitmap,
                           const SkRect* srcRectPtr,
-                          const SkMatrix&,
+                          const SkSize* dstSizePtr,      // ignored iff srcRectPtr == NULL
                           const SkPaint&,
                           SkCanvas::DrawBitmapRectFlags flags);