Disables the context menu in User Manager's reauth dialog

chrome/browser/ui/cocoa/profiles/user_manager_mac.mm

 // 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 "chrome/browser/ui/cocoa/profiles/user_manager_mac.h"
 
 #include "base/callback.h"
 #include "base/mac/foundation_util.h"
 #include "chrome/app/chrome_command_ids.h"
 #import "chrome/browser/app_controller_mac.h"
@@ skipping 97 matching lines @@
   bool IsWebContentsVisible(content::WebContents* web_contents) override {
     return true;
   }
 
    ~UserManagerModalManagerDelegate() override {}
  protected:
   std::unique_ptr<UserManagerModalHost> modal_host_;
 };
 
 // Custom WebContentsDelegate that allows handling of hotkeys.
-class UserManagerWebContentsDelegate : public content::WebContentsDelegate {
+class UserManagerWebContentsDelegate :
+    virtual public content::WebContentsDelegate {
  public:
   UserManagerWebContentsDelegate() {}
 
   // WebContentsDelegate implementation. Forwards all unhandled keyboard events
   // to the current window.
   void HandleKeyboardEvent(
       content::WebContents* source,
       const content::NativeWebKeyboardEvent& event) override {
     if (![BrowserWindowUtils shouldHandleKeyboardEvent:event])
       return;
 
     // -getCommandId returns -1 if the event isn't a chrome accelerator.
     int chromeCommandId = [BrowserWindowUtils getCommandId:event];
 
     // Check for Cmd+A and Cmd+V events that could come from a password field.
     BOOL isTextEditingCommand = [BrowserWindowUtils isTextEditingEvent:event];
 
     // Only handle close window Chrome accelerators and text editing ones.
     if (chromeCommandId == IDC_CLOSE_WINDOW || chromeCommandId == IDC_EXIT ||
         isTextEditingCommand) {
       [[NSApp mainMenu] performKeyEquivalent:event.os_event];
     }
   }
 };
 
-class ReauthDialogDelegate : public UserManager::ReauthDialogObserver,
+class ReauthDialogDelegate : public UserManager::BaseReauthDialogDelegate,
                              public UserManagerWebContentsDelegate,
                              public ConstrainedWindowMacDelegate {
  public:
   ReauthDialogDelegate(content::WebContents* web_contents,
                        const std::string& email)
-      : UserManager::ReauthDialogObserver(web_contents, email) {}
+      : UserManager::BaseReauthDialogDelegate(web_contents) {}
 
-  // UserManager::ReauthDialogObserver:
+  // UserManager::BaseReauthDialogDelegate:
   void CloseReauthDialog() override {
     CloseInstanceReauthDialog();
   }
 
   // ConstrainedWindowMacDelegate:
   void OnConstrainedWindowClosed(ConstrainedWindowMac* window) override {
     CloseReauthDialog();
   }
 
   DISALLOW_COPY_AND_ASSIGN(ReauthDialogDelegate);
@@ skipping 355 matching lines @@
   ProfileMetrics::LogTimeToOpenUserManager(
       base::Time::Now() - user_manager_started_showing_);
   user_manager_started_showing_ = base::Time();
 }
 
 void UserManagerMac::WindowWasClosed() {
   CloseReauthDialog();
   instance_ = NULL;
   delete this;
 }