Revert r12430, r12432, r12433 (basic support for Latin1).

src/factory.h

Index: src/factory.h
diff --git a/src/factory.h b/src/factory.h
index 6411d8e47bae5dcd04b2ccdb93da503cdef62354..e617abb6d12e8cdde155dc569fd87beb7c2aab1d 100644
--- a/src/factory.h
+++ b/src/factory.h
@@ -120,13 +120,7 @@ class Factory {
   // flags in the parser.
   Handle<String> NewStringFromUtf8(
       Vector<const char> str,
-      PretenureFlag pretenure = NOT_TENURED,
-      String::AsciiHint ascii_hint = String::MAYBE_ASCII);
-
-  Handle<String> NewStringFromLatin1(
-      Vector<const char> str,
-      PretenureFlag pretenure = NOT_TENURED,
-      String::AsciiHint ascii_hint = String::MAYBE_ASCII);
+      PretenureFlag pretenure = NOT_TENURED);
 
   Handle<String> NewStringFromTwoByte(
       Vector<const uc16> str,