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 123 matching lines @@
     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,
-                             public UserManagerWebContentsDelegate,
+class ReauthDialogDelegate : public UserManager::BaseReauthDialogDelegate,
                              public ConstrainedWindowMacDelegate {
  public:
   ReauthDialogDelegate(content::WebContents* web_contents,
                        const std::string& email)
-      : UserManager::ReauthDialogObserver(web_contents, email) {}
+      : UserManager::BaseReauthDialogDelegate(web_contents) {
+    hotKeysWebContentsDelegate_.reset(new UserManagerWebContentsDelegate());
+  }
 
-  // UserManager::ReauthDialogObserver:
+  // UserManager::BaseReauthDialogDelegate:
   void CloseReauthDialog() override {
     CloseInstanceReauthDialog();
   }
 
+  // WebContentsDelegate::HandleKeyboardEvent:
+  void HandleKeyboardEvent(
+      content::WebContents* source,
+      const content::NativeWebKeyboardEvent& event) override {
+    hotKeysWebContentsDelegate_->HandleKeyboardEvent(source, event);
+  }
+
   // ConstrainedWindowMacDelegate:
   void OnConstrainedWindowClosed(ConstrainedWindowMac* window) override {
     CloseReauthDialog();
   }
 
+private:
+  std::unique_ptr<UserManagerWebContentsDelegate> hotKeysWebContentsDelegate_;
+
   DISALLOW_COPY_AND_ASSIGN(ReauthDialogDelegate);
 };
 
 // WindowController for the reauth dialog.
 @interface ReauthDialogWindowController
     : NSWindowController <NSWindowDelegate> {
  @private
   std::string emailAddress_;
   content::WebContents* webContents_;
   signin_metrics::Reason reason_;
@@ skipping 346 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;
 }