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

tools/gn/target_generator.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/target_generator.h"
 
 #include "tools/gn/action_target_generator.h"
 #include "tools/gn/binary_target_generator.h"
 #include "tools/gn/build_settings.h"
 #include "tools/gn/config.h"
@@ skipping 108 matching lines @@
 
   if (err->has_error())
     return;
 
   // Save this target for the file.
   Scope::ItemVector* collector = scope->GetItemCollector();
   if (!collector) {
     *err = Err(function_call, "Can't define a target in this context.");
     return;
   }
-  collector->push_back(new scoped_ptr<Item>(target.PassAs<Item>()));
+  collector->push_back(target.release());
 }
 
 const BuildSettings* TargetGenerator::GetBuildSettings() const {
   return scope_->settings()->build_settings();
 }
 
 bool TargetGenerator::FillSources() {
   const Value* value = scope_->GetValue(variables::kSources, true);
   if (!value)
     return true;
@@ skipping 197 matching lines @@
 bool TargetGenerator::FillForwardDependentConfigs() {
   const Value* value = scope_->GetValue(
       variables::kForwardDependentConfigsFrom, true);
   if (value) {
     ExtractListOfUniqueLabels(*value, scope_->GetSourceDir(),
                               ToolchainLabelForScope(scope_),
                               &target_->forward_dependent_configs(), err_);
   }
   return !err_->has_error();
 }