change SkScalarRound to SkScalarRoundToInt

BUG=

Review URL: https://codereview.chromium.org/105073006

git-svn-id: http://skia.googlecode.com/svn/trunk@12720 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/experimental/iOSSampleApp/SkSampleUIView.mm b/experimental/iOSSampleApp/SkSampleUIView.mm
index 421dfcf..a6d00f7 100644
--- a/experimental/iOSSampleApp/SkSampleUIView.mm
+++ b/experimental/iOSSampleApp/SkSampleUIView.mm
@@ -171,8 +171,8 @@
             
             glBindFramebuffer(GL_FRAMEBUFFER, fLayerFBO);
             GrBackendRenderTargetDesc desc;
-            desc.fWidth = SkScalarRound(win->width());
-            desc.fHeight = SkScalarRound(win->height());
+            desc.fWidth = SkScalarRoundToInt(win->width());
+            desc.fHeight = SkScalarRoundToInt(win->height());
             desc.fConfig = kSkia8888_GrPixelConfig;
             desc.fRenderTargetHandle = fLayerFBO;
             desc.fSampleCnt = info.fSampleCount;