[ios] Remove IDC_STOP and IDC_RELOAD

ios/chrome/browser/ui/commands/browser_commands.h

 // Copyright 2017 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.
 
 #ifndef IOS_CHROME_BROWSER_UI_COMMANDS_BROWSER_COMMANDS_H_
 #define IOS_CHROME_BROWSER_UI_COMMANDS_BROWSER_COMMANDS_H_
 
 // Protocol for commands that will generally be handled by the "current tab",
 // which in practice is the BrowserViewController instance displaying the tab.
 @protocol BrowserCommands
 
 // Close the current tab.
 - (void)closeCurrentTab;
 
 // Navigate backwards in the current tab's history.
 - (void)goBack;
 
 // Navigate forwards in the current tab's history.
 - (void)goForward;
 
+// Stop loading the current web page.
+- (void)stopLoading;
+
+// Reload the current web page
+- (void)reload;
+
 @end
 
 #endif  // IOS_CHROME_BROWSER_UI_COMMANDS_BROWSER_COMMANDS_H_