Simplify ScopedVector<scoped_ptr<T>> to ScopedVector<T>.

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 <iostream>
 
 #include "base/environment.h"
 #include "base/strings/string_util.h"
@@ skipping 233 matching lines @@
   gen.Run();
   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(new scoped_ptr<Item>(config.PassAs<Item>()));
+  collector->push_back(config.release());
 
   return Value();
 }
 
 // declare_args ----------------------------------------------------------------
 
 const char kDeclareArgs[] = "declare_args";
 const char kDeclareArgs_HelpShort[] =
     "declare_args: Declare build arguments.";
 const char kDeclareArgs_Help[] =
@@ skipping 516 matching lines @@
       return Value();
     return result;
   }
 
   // Otherwise it's a no-block function.
   return found_function->second.no_block_runner(scope, function,
                                                 args.list_value(), err);
 }
 
 }  // namespace functions