[cleanup] Rename internal fields -> embedder fields when printing.

Seems to have been missed in this cleanup: crrev.com/2741683004.
Also updates a comment referring to internal fields.

Change-Id: I44b5fd49f5fb4b67b5288a6af959e4e963544368
Reviewed-on: https://chromium-review.googlesource.com/466147
Commit-Queue: Peter Marshall <petermarshall@chromium.org>
Reviewed-by: Daniel Vogelheim <vogelheim@chromium.org>
Cr-Commit-Position: refs/heads/master@{#44349}

src/builtins/builtins-typedarray-gen.cc

@@ -168,7 +168,7 @@ void TypedArrayBuiltinsAssembler::DoInitialize(Node* const holder, Node* length,
     //  - Set IsExternal and IsNeuterable bits of BitFieldSlot.
     //  - Set the byte_length field to byte_length.
     //  - Set backing_store to null/Smi(0).
-    //  - Set all internal fields to Smi(0).
+    //  - Set all embedder fields to Smi(0).
     StoreObjectFieldNoWriteBarrier(buffer, JSArrayBuffer::kBitFieldSlot,
                                    SmiConstant(Smi::kZero));
     int32_t bitfield_value = (1 << JSArrayBuffer::IsExternal::kShift) |

src/objects-printer.cc

@@ -454,7 +454,7 @@ static void JSObjectPrintHeader(std::ostream& os, JSObject* obj,
   }
   os << "]";
   if (obj->GetEmbedderFieldCount() > 0) {
-    os << "\n - internal fields: " << obj->GetEmbedderFieldCount();
+    os << "\n - embedder fields: " << obj->GetEmbedderFieldCount();
   }
 }
 
@@ -471,7 +471,7 @@ static void JSObjectPrintBody(std::ostream& os, JSObject* obj,  // NOLINT
   }
   int embedder_fields = obj->GetEmbedderFieldCount();
   if (embedder_fields > 0) {
-    os << " - internal fields = {";
+    os << " - embedder fields = {";
     for (int i = 0; i < embedder_fields; i++) {
       os << "\n    " << obj->GetEmbedderField(i);
     }