flag to use const& instead of const* for src-rect

src/pipe/SkGPipeRead.cpp

Index: src/pipe/SkGPipeRead.cpp
diff --git a/src/pipe/SkGPipeRead.cpp b/src/pipe/SkGPipeRead.cpp
index ef1eeb303b4b4f86bf0266e78254a18ebefaf7a3..29d798bf7358162ec4962a3359252f151e01090e 100644
--- a/src/pipe/SkGPipeRead.cpp
+++ b/src/pipe/SkGPipeRead.cpp
@@ -650,7 +650,7 @@ static void drawBitmapRect_rp(SkCanvas* canvas, SkReader32* reader,
     const SkRect* dst = skip<SkRect>(reader);
     const SkBitmap* bitmap = holder.getBitmap();
     if (state->shouldDraw()) {
-        canvas->drawBitmapRect(*bitmap, src, *dst, hasPaint ? &state->paint() : NULL, constraint);
+        canvas->legacy_drawBitmapRect(*bitmap, src, *dst, hasPaint ? &state->paint() : NULL, constraint);
     }
 }
 
@@ -692,7 +692,7 @@ static void drawImageRect_rp(SkCanvas* canvas, SkReader32* reader, uint32_t op32
 
     const SkImage* image = state->getImage(slot);
     if (state->shouldDraw()) {
-        canvas->drawImageRect(image, src, *dst, hasPaint ? &state->paint() : NULL, constraint);
+        canvas->legacy_drawImageRect(image, src, *dst, hasPaint ? &state->paint() : NULL, constraint);
     }
 }