Change scanner buffers to not use utf-8.

test/cctest/test-parsing.cc

Index: test/cctest/test-parsing.cc
diff --git a/test/cctest/test-parsing.cc b/test/cctest/test-parsing.cc
index e642d1b622b2aa5a2ab4212c14c21d082834799a..da5d771d7b2b6d75d4fa14d4a6f93e4307bc37a3 100755
--- a/test/cctest/test-parsing.cc
+++ b/test/cctest/test-parsing.cc
@@ -573,7 +573,7 @@ void TestStreamScanner(i::UC16CharacterStream* stream,
                        int skip_pos = 0,  // Zero means not skipping.
                        int skip_to = 0) {
   i::V8JavaScriptScanner scanner;
-  scanner.Initialize(stream, i::JavaScriptScanner::kAllLiterals);
+  scanner.Initialize(stream);
 
   int i = 0;
   do {