GN: Remove Value::RecursivelySetOrigin.

tools/gn/value.cc

 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "tools/gn/value.h"
 
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_util.h"
 #include "tools/gn/scope.h"
 
@@ skipping 70 matching lines @@
   string_value_ = other.string_value_;
   boolean_value_ = other.boolean_value_;
   int_value_ = other.int_value_;
   list_value_ = other.list_value_;
   if (type() == SCOPE && other.scope_value_.get())
     scope_value_ = other.scope_value_->MakeClosure();
   origin_ = other.origin_;
   return *this;
 }
 
-void Value::RecursivelySetOrigin(const ParseNode* origin) {
-  set_origin(origin);
-  if (type_ == Value::LIST) {
-    for (size_t i = 0; i < list_value_.size(); i++)
-      list_value_[i].RecursivelySetOrigin(origin);
-  }
-}
-
 // static
 const char* Value::DescribeType(Type t) {
   switch (t) {
     case NONE:
       return "none";
     case BOOLEAN:
       return "boolean";
     case INTEGER:
       return "integer";
     case STRING:
@@ skipping 97 matching lines @@
       // iteration code.
       return false;
     default:
       return false;
   }
 }
 
 bool Value::operator!=(const Value& other) const {
   return !operator==(other);
 }