Rename ascii to one-byte where applicable.

src/regexp-macro-assembler.cc

Index: src/regexp-macro-assembler.cc
diff --git a/src/regexp-macro-assembler.cc b/src/regexp-macro-assembler.cc
index 13c2a6a32fb96bedc4b0ebf8f83d186d2e68bcb3..c4bfc8d7f70ce591537b39c4a4b823c310d066fb 100644
--- a/src/regexp-macro-assembler.cc
+++ b/src/regexp-macro-assembler.cc
@@ -58,7 +58,7 @@ const byte* NativeRegExpMacroAssembler::StringCharacterPosition(
   if (subject->IsOneByteRepresentation()) {
     const byte* address;
     if (StringShape(subject).IsExternal()) {
-      const uint8_t* data = ExternalAsciiString::cast(subject)->GetChars();
+      const uint8_t* data = ExternalOneByteString::cast(subject)->GetChars();
       address = reinterpret_cast<const byte*>(data);
     } else {
       DCHECK(subject->IsSeqOneByteString());
@@ -110,11 +110,11 @@ NativeRegExpMacroAssembler::Result NativeRegExpMacroAssembler::Match(
     subject_ptr = slice->parent();
     slice_offset = slice->offset();
   }
-  // Ensure that an underlying string has the same ASCII-ness.
-  bool is_ascii = subject_ptr->IsOneByteRepresentation();
+  // Ensure that an underlying string has the same representation.
+  bool is_one_byte = subject_ptr->IsOneByteRepresentation();
   DCHECK(subject_ptr->IsExternalString() || subject_ptr->IsSeqString());
   // String is now either Sequential or External
-  int char_size_shift = is_ascii ? 0 : 1;
+  int char_size_shift = is_one_byte ? 0 : 1;
 
   const byte* input_start =
       StringCharacterPosition(subject_ptr, start_offset + slice_offset);