Stop manually calling AddRef/Release for AutocompleteController::providers_

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 <string>
 
 #include "base/auto_reset.h"
 #include "base/bind.h"
@@ skipping 76 matching lines @@
     result->from_previous = input.from_previous;
 
     result->additional_info =
         mojo::Array<AutocompleteAdditionalInfoPtr>::From(input.additional_info);
     return result.Pass();
   }
 };
 
 template <>
 class TypeConverter<AutocompleteResultsForProviderMojoPtr,
-                    AutocompleteProvider*> {
+                    scoped_refptr<AutocompleteProvider> > {
  public:
   static AutocompleteResultsForProviderMojoPtr ConvertFrom(
-      const AutocompleteProvider* input) {
+      const scoped_refptr<AutocompleteProvider>& input) {
     AutocompleteResultsForProviderMojoPtr result(
         AutocompleteResultsForProviderMojo::New());
     result->provider_name = input->GetName();
     result->results =
         mojo::Array<AutocompleteMatchMojoPtr>::From(input->matches());
     return result.Pass();
   }
 };
 
 }  // namespace mojo
@@ skipping 22 matching lines @@
   {
     // Copy to an ACMatches to make conversion easier. Since this isn't
     // performance critical we don't worry about the cost here.
     ACMatches matches(controller_->result().begin(),
                       controller_->result().end());
     result->combined_results =
         mojo::Array<AutocompleteMatchMojoPtr>::From(matches);
   }
   result->results_by_provider =
       mojo::Array<AutocompleteResultsForProviderMojoPtr>::From(
-          *controller_->providers());
+          controller_->providers());
   client()->HandleNewAutocompleteResult(result.Pass());
 }
 
 bool OmniboxUIHandler::LookupIsTypedHost(const base::string16& host,
                                          bool* is_typed_host) const {
   HistoryService* const history_service =
       HistoryServiceFactory::GetForProfile(profile_,
                                            Profile::EXPLICIT_ACCESS);
   if (!history_service)
     return false;
@@ skipping 25 matching lines @@
       ChromeAutocompleteSchemeClassifier(profile_));
   controller_->Start(input_);
 }
 
 void OmniboxUIHandler::ResetController() {
   controller_.reset(new AutocompleteController(profile_,
           TemplateURLServiceFactory::GetForProfile(profile_),
           this,
           AutocompleteClassifier::kDefaultOmniboxProviders));
 }