Add a src rect to drawImageLattice() API

include/private/SkRecords.h

 /*
  * Copyright 2014 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef SkRecords_DEFINED
 #define SkRecords_DEFINED
 
@@ skipping 226 matching lines @@
         SkScalar top);
 RECORD(DrawImageLattice, kDraw_Tag|kHasImage_Tag|kHasPaint_Tag,
         Optional<SkPaint> paint;
         sk_sp<const SkImage> image;
         int xCount;
         PODArray<int> xDivs;
         int yCount;
         PODArray<int> yDivs;
         int flagCount;
         PODArray<SkCanvas::Lattice::Flags> flags;
+        SkIRect src;
         SkRect dst);
 RECORD(DrawImageRect, kDraw_Tag|kHasImage_Tag|kHasPaint_Tag,
         Optional<SkPaint> paint;
         sk_sp<const SkImage> image;
         Optional<SkRect> src;
         SkRect dst;
         SkCanvas::SrcRectConstraint constraint);
 RECORD(DrawImageNine, kDraw_Tag|kHasImage_Tag|kHasPaint_Tag,
         Optional<SkPaint> paint;
         sk_sp<const SkImage> image;
@@ skipping 91 matching lines @@
         int indexCount);
 RECORD(DrawAnnotation, 0,  // TODO: kDraw_Tag, skia:5548
        SkRect rect;
        SkString key;
        sk_sp<SkData> value);
 #undef RECORD
 
 }  // namespace SkRecords
 
 #endif//SkRecords_DEFINED