Add flag to show toolkit-views dialogs on Mac, start with HTTP-Auth.

chrome/browser/about_flags.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/about_flags.h"
 
 #include <iterator>
 #include <map>
 #include <set>
 #include <utility>
@@ skipping 2023 matching lines @@
      IDS_FLAGS_MAC_VIEWS_NATIVE_APP_WINDOWS_DESCRIPTION,
      kOsMac,
      ENABLE_DISABLE_VALUE_TYPE(switches::kEnableMacViewsNativeAppWindows,
                                switches::kDisableMacViewsNativeAppWindows)},
     {"app-window-cycling",
      IDS_FLAGS_APP_WINDOW_CYCLING_NAME,
      IDS_FLAGS_APP_WINDOW_CYCLING_DESCRIPTION,
      kOsMac,
      ENABLE_DISABLE_VALUE_TYPE(switches::kEnableAppWindowCycling,
                                switches::kDisableAppWindowCycling)},
+    {"mac-views-dialogs",
+     IDS_FLAGS_MAC_VIEWS_DIALOGS_NAME,
+     IDS_FLAGS_MAC_VIEWS_DIALOGS_DESCRIPTION,
+     kOsMac,
+     SINGLE_VALUE_TYPE(switches::kEnableMacViewsDialogs)},
 #endif
 #if defined(ENABLE_WEBVR)
     {"enable-webvr",
      IDS_FLAGS_ENABLE_WEBVR_NAME,
      IDS_FLAGS_ENABLE_WEBVR_DESCRIPTION,
      kOsAll,
      SINGLE_VALUE_TYPE(switches::kEnableWebVR)},
 #endif
 #if defined(OS_CHROMEOS)
     {"disable-accelerated-mjpeg-decode",
@@ skipping 709 matching lines @@
 }
 
 const Experiment* GetExperiments(size_t* count) {
   *count = num_experiments;
   return experiments;
 }
 
 }  // namespace testing
 
 }  // namespace about_flags