add roundOut that returns its result

src/effects/SkTileImageFilter.cpp

 /*
  * Copyright 2013 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkTileImageFilter.h"
 #include "SkBitmap.h"
 #include "SkCanvas.h"
@@ skipping 18 matching lines @@
                                       SkBitmap* dst, SkIPoint* offset) const {
     SkBitmap source = src;
     SkImageFilter* input = getInput(0);
     SkIPoint srcOffset = SkIPoint::Make(0, 0);
     if (input && !input->filterImage(proxy, src, ctx, &source, &srcOffset)) {
         return false;
     }
 
     SkRect dstRect;
     ctx.ctm().mapRect(&dstRect, fDstRect);
-    SkIRect dstIRect;
-    dstRect.roundOut(&dstIRect);
+    const SkIRect dstIRect = dstRect.roundOut();
     int w = dstIRect.width();
     int h = dstIRect.height();
     if (!fSrcRect.width() || !fSrcRect.height() || !w || !h) {
         return false;
     }
 
     SkRect srcRect;
     ctx.ctm().mapRect(&srcRect, fSrcRect);
     SkIRect srcIRect;
     srcRect.roundOut(&srcIRect);
@@ skipping 58 matching lines @@
     buffer.readRect(&src);
     buffer.readRect(&dst);
     return Create(src, dst, common.getInput(0), common.uniqueID());
 }
 
 void SkTileImageFilter::flatten(SkWriteBuffer& buffer) const {
     this->INHERITED::flatten(buffer);
     buffer.writeRect(fSrcRect);
     buffer.writeRect(fDstRect);
 }