base: Stop passing a non-const ref to ObserverListBase::Iterator.

components/renderer_context_menu/render_view_context_menu_base.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 "components/renderer_context_menu/render_view_context_menu_base.h"
 
 #include <algorithm>
 #include <utility>
 
 #include "base/command_line.h"
@@ skipping 248 matching lines @@
   AddCustomItemsToMenu(params_.custom_items, 0, &total_items, this,
                        &menu_model_);
   return total_items > 0;
 }
 
 bool RenderViewContextMenuBase::IsCommandIdKnown(
     int id,
     bool* enabled) const {
   // If this command is is added by one of our observers, we dispatch
   // it to the observer.
-  ObserverListBase<RenderViewContextMenuObserver>::Iterator it(observers_);
+  ObserverListBase<RenderViewContextMenuObserver>::Iterator it(&observers_);
   RenderViewContextMenuObserver* observer;
   while ((observer = it.GetNext()) != NULL) {
     if (observer->IsCommandIdSupported(id)) {
       *enabled = observer->IsCommandIdEnabled(id);
       return true;
     }
   }
 
   // Custom items.
   if (IsContentCustomCommandId(id)) {
     *enabled = IsCustomItemEnabled(id);
     return true;
   }
 
   return false;
 }
 
 // Menu delegate functions -----------------------------------------------------
 
 bool RenderViewContextMenuBase::IsCommandIdChecked(int id) const {
   // If this command is is added by one of our observers, we dispatch it to the
   // observer.
-  ObserverListBase<RenderViewContextMenuObserver>::Iterator it(observers_);
+  ObserverListBase<RenderViewContextMenuObserver>::Iterator it(&observers_);
   RenderViewContextMenuObserver* observer;
   while ((observer = it.GetNext()) != NULL) {
     if (observer->IsCommandIdSupported(id))
       return observer->IsCommandIdChecked(id);
   }
 
   // Custom items.
   if (IsContentCustomCommandId(id))
     return IsCustomItemChecked(id);
 
   return false;
 }
 
 void RenderViewContextMenuBase::ExecuteCommand(int id, int event_flags) {
   command_executed_ = true;
   RecordUsedItem(id);
 
   // If this command is is added by one of our observers, we dispatch
   // it to the observer.
-  ObserverListBase<RenderViewContextMenuObserver>::Iterator it(observers_);
+  ObserverListBase<RenderViewContextMenuObserver>::Iterator it(&observers_);
   RenderViewContextMenuObserver* observer;
   while ((observer = it.GetNext()) != NULL) {
     if (observer->IsCommandIdSupported(id))
       return observer->ExecuteCommand(id);
   }
 
   // Process custom actions range.
   if (IsContentCustomCommandId(id)) {
     unsigned action = id - content_context_custom_first;
     const content::CustomContextMenuContext& context = params_.custom_context;
@@ skipping 84 matching lines @@
 }
 
 bool RenderViewContextMenuBase::IsCustomItemChecked(int id) const {
   return IsCustomItemCheckedInternal(params_.custom_items, id);
 }
 
 bool RenderViewContextMenuBase::IsCustomItemEnabled(int id) const {
   return IsCustomItemEnabledInternal(params_.custom_items, id);
 }