Rename IsAsciiRepresentation

src/heap.h

Index: src/heap.h
diff --git a/src/heap.h b/src/heap.h
index c6b3794404fb99c9487c2fcd9cece749acb0c772..2916f9fd19db94514c1995393ad7d1d0d3fe7201 100644
--- a/src/heap.h
+++ b/src/heap.h
@@ -706,7 +706,7 @@ class Heap {
   // Returns Failure::RetryAfterGC(requested_bytes, space) if the allocation
   // failed.
   // Please note this does not perform a garbage collection.
-  MUST_USE_RESULT MaybeObject* AllocateStringFromAscii(
+  MUST_USE_RESULT MaybeObject* AllocateStringFromOneByte(
       Vector<const char> str,
       PretenureFlag pretenure = NOT_TENURED);
   MUST_USE_RESULT inline MaybeObject* AllocateStringFromUtf8(
@@ -750,7 +750,7 @@ class Heap {
   // Returns Failure::RetryAfterGC(requested_bytes, space) if the allocation
   // failed.
   // Please note this does not perform a garbage collection.
-  MUST_USE_RESULT MaybeObject* AllocateRawAsciiString(
+  MUST_USE_RESULT MaybeObject* AllocateRawOneByteString(
       int length,
       PretenureFlag pretenure = NOT_TENURED);
   MUST_USE_RESULT MaybeObject* AllocateRawTwoByteString(