Rename IsAsciiRepresentation

src/x64/regexp-macro-assembler-x64.cc

Index: src/x64/regexp-macro-assembler-x64.cc
diff --git a/src/x64/regexp-macro-assembler-x64.cc b/src/x64/regexp-macro-assembler-x64.cc
index 86f7bfe6ca66533853f9c93f03851b05ef7c1e4a..6cb87e899eff65e4d5581636afd8bdb980ff09ec 100644
--- a/src/x64/regexp-macro-assembler-x64.cc
+++ b/src/x64/regexp-macro-assembler-x64.cc
@@ -1305,7 +1305,7 @@ int RegExpMacroAssemblerX64::CheckStackGuardState(Address* return_address,
   Handle<String> subject(frame_entry<String*>(re_frame, kInputString));
 
   // Current string.
-  bool is_ascii = subject->IsAsciiRepresentationUnderneath();
+  bool is_ascii = subject->IsOneByteRepresentationUnderneath();
 
   ASSERT(re_code->instruction_start() <= *return_address);
   ASSERT(*return_address <=
@@ -1336,7 +1336,7 @@ int RegExpMacroAssemblerX64::CheckStackGuardState(Address* return_address,
   }
 
   // String might have changed.
-  if (subject_tmp->IsAsciiRepresentation() != is_ascii) {
+  if (subject_tmp->IsOneByteRepresentation() != is_ascii) {
     // If we changed between an ASCII and an UC16 string, the specialized
     // code cannot be used, and we need to restart regexp matching from
     // scratch (including, potentially, compiling a new version of the code).