Introduce collective --harmony flag.

src/api.cc

Index: src/api.cc
diff --git a/src/api.cc b/src/api.cc
index a2cf7142bc8e940a458faf118d19fdada04d104e..a03b7411c3cdf7b9cef5722a393a726ff62b5905 100644
--- a/src/api.cc
+++ b/src/api.cc
@@ -1413,7 +1413,7 @@ void ObjectTemplate::SetInternalFieldCount(int value) {
 ScriptData* ScriptData::PreCompile(const char* input, int length) {
   i::Utf8ToUC16CharacterStream stream(
       reinterpret_cast<const unsigned char*>(input), length);
-  return i::ParserApi::PreParse(&stream, NULL, i::FLAG_harmony_block_scoping);
+  return i::ParserApi::PreParse(&stream, NULL, i::FLAG_harmony_scoping);
 }
 
 
@@ -1422,10 +1422,10 @@ ScriptData* ScriptData::PreCompile(v8::Handle<String> source) {
   if (str->IsExternalTwoByteString()) {
     i::ExternalTwoByteStringUC16CharacterStream stream(
       i::Handle<i::ExternalTwoByteString>::cast(str), 0, str->length());
-    return i::ParserApi::PreParse(&stream, NULL, i::FLAG_harmony_block_scoping);
+    return i::ParserApi::PreParse(&stream, NULL, i::FLAG_harmony_scoping);
   } else {
     i::GenericStringUC16CharacterStream stream(str, 0, str->length());
-    return i::ParserApi::PreParse(&stream, NULL, i::FLAG_harmony_block_scoping);
+    return i::ParserApi::PreParse(&stream, NULL, i::FLAG_harmony_scoping);
   }
 }