add roundOut that returns its result

src/core/SkCanvas.cpp

 /*
  * Copyright 2008 The Android Open Source Project
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkCanvas.h"
 #include "SkCanvasDrawable.h"
 #include "SkCanvasPriv.h"
@@ skipping 1568 matching lines @@
     if (!rect.isFinite())
         return true;
 
     if (fMCRec->fRasterClip.isEmpty()) {
         return true;
     }
 
     if (fMCRec->fMatrix.hasPerspective()) {
         SkRect dst;
         fMCRec->fMatrix.mapRect(&dst, rect);
-        SkIRect idst;
-        dst.roundOut(&idst);
-        return !SkIRect::Intersects(idst, fMCRec->fRasterClip.getBounds());
+        return !SkIRect::Intersects(dst.roundOut(), fMCRec->fRasterClip.getBounds());
     } else {
         const SkRect& clipR = this->getLocalClipBounds();
 
         // for speed, do the most likely reject compares first
         // TODO: should we use | instead, or compare all 4 at once?
         if (rect.fTop >= clipR.fBottom || rect.fBottom <= clipR.fTop) {
             return true;
         }
         if (rect.fLeft >= clipR.fRight || rect.fRight <= clipR.fLeft) {
             return true;
@@ skipping 979 matching lines @@
     }
 
     if (matrix) {
         canvas->concat(*matrix);
     }
 }
 
 SkAutoCanvasMatrixPaint::~SkAutoCanvasMatrixPaint() {
     fCanvas->restoreToCount(fSaveCount);
 }