change roundOut() to take a dst, so we can use that signature to return IRect

src/effects/SkGpuBlurUtils.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 "SkGpuBlurUtils.h"
 
 #include "SkRect.h"
@@ skipping 144 matching lines @@
 
     SkIRect clearRect;
     int scaleFactorX, radiusX;
     int scaleFactorY, radiusY;
     int maxTextureSize = context->getMaxTextureSize();
     sigmaX = adjust_sigma(sigmaX, maxTextureSize, &scaleFactorX, &radiusX);
     sigmaY = adjust_sigma(sigmaY, maxTextureSize, &scaleFactorY, &radiusY);
 
     SkRect srcRect(rect);
     scale_rect(&srcRect, 1.0f / scaleFactorX, 1.0f / scaleFactorY);
-    srcRect.roundOut();
+    srcRect.roundOut(&srcRect);
     scale_rect(&srcRect, static_cast<float>(scaleFactorX),
                          static_cast<float>(scaleFactorY));
 
     GrContext::AutoClip acs(context, SkRect::MakeWH(srcRect.width(), srcRect.height()));
 
     SkASSERT(kBGRA_8888_GrPixelConfig == srcTexture->config() ||
              kRGBA_8888_GrPixelConfig == srcTexture->config() ||
              kAlpha_8_GrPixelConfig == srcTexture->config());
 
     GrSurfaceDesc desc;
@@ skipping 127 matching lines @@
         context->drawRectToRect(paint, dstRect, srcRect);
         srcRect = dstRect;
         srcTexture = dstTexture;
         SkTSwap(dstTexture, tempTexture);
     }
     return SkRef(srcTexture);
 }
 #endif
 
 }