Add SkImage->draw() call with src and dst rects.

src/image/SkImage_Picture.cpp

Index: src/image/SkImage_Picture.cpp
diff --git a/src/image/SkImage_Picture.cpp b/src/image/SkImage_Picture.cpp
index be934fa23884b12af9500571876f5278104b47df..3e736a51aba9b02686244ea6306e39c984a23b3e 100644
--- a/src/image/SkImage_Picture.cpp
+++ b/src/image/SkImage_Picture.cpp
@@ -15,6 +15,7 @@ public:
     virtual ~SkImage_Picture();
 
     virtual void onDraw(SkCanvas*, SkScalar, SkScalar, const SkPaint*) SK_OVERRIDE;
+    virtual void onDraw(SkCanvas*, const SkRect*, const SkRect&, const SkPaint*) SK_OVERRIDE;
 
     SkPicture* getPicture() { return fPicture; }
 
@@ -41,6 +42,11 @@ void SkImage_Picture::onDraw(SkCanvas* canvas, SkScalar x, SkScalar y,
     SkImagePrivDrawPicture(canvas, fPicture, x, y, paint);
 }
 
+void SkImage_Picture::onDraw(SkCanvas* canvas, const SkRect* src, const SkRect& dst,
+                             const SkPaint* paint) {
+    SkImagePrivDrawPicture(canvas, fPicture, src, dst, paint);
+}
+
 SkImage* SkNewImageFromPicture(const SkPicture* srcPicture) {
     /**
      *  We want to snapshot the playback status of the picture, w/o affecting