setConfig -> setInfo

BUG=skia:
R=robertphillips@google.com

Author: reed@google.com

Review URL: https://codereview.chromium.org/308683005

git-svn-id: http://skia.googlecode.com/svn/trunk@14978 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/gpu/GrPictureUtils.cpp b/src/gpu/GrPictureUtils.cpp
index 84a13be..30a1d39 100644
--- a/src/gpu/GrPictureUtils.cpp
+++ b/src/gpu/GrPictureUtils.cpp
@@ -41,10 +41,7 @@
         fInfo.fHasNestedLayers = false;
         fInfo.fIsNested = (2 == fSaveLayerDepth);
 
-        fEmptyBitmap.setConfig(SkImageInfo::Make(fInfo.fSize.fWidth,
-                                                 fInfo.fSize.fHeight,
-                                                 kUnknown_SkColorType,
-                                                 kIgnore_SkAlphaType));
+        fEmptyBitmap.setInfo(SkImageInfo::MakeUnknown(fInfo.fSize.fWidth, fInfo.fSize.fHeight));
         fAccelData = accelData;
         fAlreadyDrawn = false;
     }