Remove ScopedVector from tools/gn/.

tools/gn/functions.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/functions.h"
 
 #include <stddef.h>
 #include <iostream>
 #include <utility>
 
@@ skipping 348 matching lines @@
   }
   if (err->has_error())
     return Value();
 
   // Save the generated item.
   Scope::ItemVector* collector = scope->GetItemCollector();
   if (!collector) {
     *err = Err(function, "Can't define a config in this context.");
     return Value();
   }
-  collector->push_back(config.release());
+  collector->push_back(std::move(config));
 
   return Value();
 }
 
 // declare_args ----------------------------------------------------------------
 
 const char kDeclareArgs[] = "declare_args";
 const char kDeclareArgs_HelpShort[] =
     "declare_args: Declare build arguments.";
 const char kDeclareArgs_Help[] =
@@ skipping 532 matching lines @@
   std::unique_ptr<Pool> pool(
       new Pool(scope->settings(), label, scope->input_files()));
   pool->set_depth(depth->int_value());
 
   // Save the generated item.
   Scope::ItemVector* collector = scope->GetItemCollector();
   if (!collector) {
     *err = Err(function, "Can't define a pool in this context.");
     return Value();
   }
-  collector->push_back(pool.release());
+  collector->push_back(std::move(pool));
 
   return Value();
 }
 
 // print -----------------------------------------------------------------------
 
 const char kPrint[] = "print";
 const char kPrint_HelpShort[] =
     "print: Prints to the console.";
 const char kPrint_Help[] =
@@ skipping 323 matching lines @@
   }
 
   // Otherwise it's a no-block function.
   if (!VerifyNoBlockForFunctionCall(function, block, err))
     return Value();
   return found_function->second.no_block_runner(scope, function,
                                                 args.list_value(), err);
 }
 
 }  // namespace functions