Add Sk prefix to CreateBitmapShader.

src/core/SkShader.cpp

Index: src/core/SkShader.cpp
diff --git a/src/core/SkShader.cpp b/src/core/SkShader.cpp
index d8e40851603d9693c2cd7e0a0b0c00058060016a..df615bda5a0786b5c072a759299fd0558e2c8987 100644
--- a/src/core/SkShader.cpp
+++ b/src/core/SkShader.cpp
@@ -242,7 +242,7 @@ SkShader* SkShader::CreateColorShader(SkColor color) {
 
 SkShader* SkShader::CreateBitmapShader(const SkBitmap& src, TileMode tmx, TileMode tmy,
                                        const SkMatrix* localMatrix) {
-    return ::CreateBitmapShader(src, tmx, tmy, localMatrix, NULL);
+    return SkCreateBitmapShader(src, tmx, tmy, localMatrix, NULL);
 }
 
 SkShader* SkShader::CreatePictureShader(SkPicture* src, TileMode tmx, TileMode tmy,