Reduce string copies in GURL creation

chrome/browser/ui/webui/omnibox/omnibox_ui_handler.cc

 // Copyright (c) 2012 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 "chrome/browser/ui/webui/omnibox/omnibox_ui_handler.h"
 
 #include <stddef.h>
 #include <string>
 #include <utility>
 
@@ skipping 133 matching lines @@
   }
   result->results_by_provider =
       mojo::Array<AutocompleteResultsForProviderMojoPtr>::From(
           controller_->providers());
 
   // Fill AutocompleteMatchMojo::starred.
   BookmarkModel* bookmark_model = BookmarkModelFactory::GetForProfile(profile_);
   if (bookmark_model) {
     for (size_t i =  0; i < result->combined_results.size(); ++i) {
       result->combined_results[i]->starred = bookmark_model->IsBookmarked(
-          GURL(result->combined_results[i]->destination_url));
+          GURL(result->combined_results[i]->destination_url.get()));
     }
     for (size_t i = 0; i < result->results_by_provider.size(); ++i) {
       const AutocompleteResultsForProviderMojo& result_by_provider =
           *result->results_by_provider[i];
       for (size_t j = 0; j < result_by_provider.results.size(); ++j) {
         result_by_provider.results[j]->starred = bookmark_model->IsBookmarked(
-            GURL(result_by_provider.results[j]->destination_url));
+            GURL(result_by_provider.results[j]->destination_url.get()));
       }
     }
   }
 
   page_->HandleNewAutocompleteResult(std::move(result));
 }
 
 bool OmniboxUIHandler::LookupIsTypedHost(const base::string16& host,
                                          bool* is_typed_host) const {
   history::HistoryService* const history_service =
@@ skipping 29 matching lines @@
       prevent_inline_autocomplete, prefer_keyword, true, true, false,
       ChromeAutocompleteSchemeClassifier(profile_));
   controller_->Start(input_);
 }
 
 void OmniboxUIHandler::ResetController() {
   controller_.reset(new AutocompleteController(
       make_scoped_ptr(new ChromeAutocompleteProviderClient(profile_)), this,
       AutocompleteClassifier::kDefaultOmniboxProviders));
 }