Move more file_util functions to base namespace.

skia/ext/vector_canvas_unittest.cc

Index: skia/ext/vector_canvas_unittest.cc
diff --git a/skia/ext/vector_canvas_unittest.cc b/skia/ext/vector_canvas_unittest.cc
index b8fbfba0b40674a936d1938c33e4163b4982af51..b7e9105cce00027e62eddec3d4c71def9678dd92 100644
--- a/skia/ext/vector_canvas_unittest.cc
+++ b/skia/ext/vector_canvas_unittest.cc
@@ -135,11 +135,11 @@ class Image {
                                       std::vector<gfx::PNGCodec::Comment>(),
                                       &compressed));
     ASSERT_TRUE(compressed.size());
-    FILE* f = file_util::OpenFile(filename, "wb");
+    FILE* f = base::OpenFile(filename, "wb");
     ASSERT_TRUE(f);
     ASSERT_EQ(fwrite(&*compressed.begin(), 1, compressed.size(), f),
               compressed.size());
-    file_util::CloseFile(f);
+    base::CloseFile(f);
   }
 
   // Returns the percentage of the image that is different from the other,