[rename] Rename internal field to embedder field.

src/fast-accessor-assembler.h

Index: src/fast-accessor-assembler.h
diff --git a/src/fast-accessor-assembler.h b/src/fast-accessor-assembler.h
index f51d5a79e829eb4db2da4026ed799b168af06123..536a6182932d87dd5b3fd8fb3be25fa23b2f158e 100644
--- a/src/fast-accessor-assembler.h
+++ b/src/fast-accessor-assembler.h
@@ -55,15 +55,15 @@ class FastAccessorAssembler {
   // Builder / assembler functions:
   ValueId IntegerConstant(int int_constant);
   ValueId GetReceiver();
-  ValueId LoadInternalField(ValueId value_id, int field_no);
+  ValueId LoadEmbedderField(ValueId value_id, int field_no);
 
-  // Loads internal field and assumes the object is indeed a valid API object
-  // with the proper internal fields present.
+  // Loads embedder field and assumes the object is indeed a valid API object
+  // with the proper embedder fields present.
   // The intended use is to call this on an object whose structure has already
   // been checked previously, e.g. the accessor's receiver, which is map-checked
   // before the fast accessor is called on it. Using this on an arbitrary object
   // will result in unsafe memory accesses.
-  ValueId LoadInternalFieldUnchecked(ValueId value_id, int field_no);
+  ValueId LoadEmbedderFieldUnchecked(ValueId value_id, int field_no);
 
   ValueId LoadValue(ValueId value_id, int offset);
   ValueId LoadObject(ValueId value_id, int offset);