Convert //extensions/{common,shell} from scoped_ptr to std::unique_ptr

extensions/common/features/complex_feature.cc

 // Copyright 2014 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 "extensions/common/features/complex_feature.h"
 
 namespace extensions {
 
-ComplexFeature::ComplexFeature(scoped_ptr<FeatureList> features) {
+ComplexFeature::ComplexFeature(std::unique_ptr<FeatureList> features) {
   DCHECK_GT(features->size(), 0UL);
   features_.swap(*features);
   no_parent_ = features_[0]->no_parent();
 
 #if !defined(NDEBUG) || defined(DCHECK_ALWAYS_ON)
   // Verify IsInternal and no_parent is consistent across all features.
   bool first_is_internal = features_[0]->IsInternal();
   for (FeatureList::const_iterator it = features_.begin() + 1;
        it != features_.end();
        ++it) {
@@ skipping 88 matching lines @@
                                                    Context context) const {
   if (result == IS_AVAILABLE)
     return std::string();
 
   // TODO(justinlin): Form some kind of combined availabilities/messages from
   // SimpleFeatures.
   return features_[0]->GetAvailabilityMessage(result, type, url, context);
 }
 
 }  // namespace extensions