[Smart Lock] Add a setting to require close proximity in order for unlocking to work.

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 10 matching lines @@
 #include "cc/base/switches.h"
 #include "chrome/browser/bookmarks/enhanced_bookmarks_features.h"
 #include "chrome/browser/flags_storage.h"
 #include "chrome/common/chrome_content_client.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/grit/generated_resources.h"
 #include "components/autofill/core/common/autofill_switches.h"
 #include "components/cloud_devices/common/cloud_devices_switches.h"
 #include "components/metrics/metrics_hashes.h"
 #include "components/nacl/common/nacl_switches.h"
+#include "components/proximity_auth/switches.h"
 #include "components/search/search_switches.h"
 #include "content/public/browser/user_metrics.h"
 #include "media/base/media_switches.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/base/ui_base_switches.h"
 #include "ui/display/display_switches.h"
 #include "ui/events/event_switches.h"
 #include "ui/gfx/switches.h"
 #include "ui/gl/gl_switches.h"
 #include "ui/keyboard/keyboard_switches.h"
@@ skipping 880 matching lines @@
     kOsCrOS,
     SINGLE_VALUE_TYPE(chromeos::switches::kEnableTouchpadThreeFingerClick)
   },
   {
     "disable-easy-signin",
     IDS_FLAGS_DISABLE_EASY_SIGNIN_NAME,
     IDS_FLAGS_DISABLE_EASY_SIGNIN_DESCRIPTION,
     kOsCrOSOwnerOnly,
     SINGLE_VALUE_TYPE(chromeos::switches::kDisableEasySignin),
   },
+  {
+    "enable-easy-unlock-proximity-detection",
+    IDS_FLAGS_ENABLE_EASY_UNLOCK_PROXIMITY_DETECTION_NAME,
+    IDS_FLAGS_ENABLE_EASY_UNLOCK_PROXIMITY_DETECTION_DESCRIPTION,
+    kOsCrOS,
+    SINGLE_VALUE_TYPE(proximity_auth::switches::kEnableProximityDetection)
+  },
 #endif
 #if defined(USE_ASH)
   {
     "disable-minimize-on-second-launcher-item-click",
     IDS_FLAGS_DISABLE_MINIMIZE_ON_SECOND_LAUNCHER_ITEM_CLICK_NAME,
     IDS_FLAGS_DISABLE_MINIMIZE_ON_SECOND_LAUNCHER_ITEM_CLICK_DESCRIPTION,
     kOsAll,
     SINGLE_VALUE_TYPE(switches::kDisableMinimizeOnSecondLauncherItemClick)
   },
   {
@@ skipping 1062 matching lines @@
     IDS_FLAGS_ENABLE_REMOTE_ASSISTANCE_DESCRIPTION,
     kOsCrOS,
     SINGLE_VALUE_TYPE(extensions::switches::kEnableRemoteAssistance)
   },
   {
     "disable-new-zip-unpacker",
     IDS_FLAGS_DISABLE_NEW_ZIP_UNPACKER_NAME,
     IDS_FLAGS_DISABLE_NEW_ZIP_UNPACKER_DESCRIPTION,
     kOsCrOS,
     SINGLE_VALUE_TYPE(chromeos::switches::kDisableNewZIPUnpacker)
-  }
+  },
 #endif  // defined(OS_CHROMEOS)
   // NOTE: Adding new command-line switches requires adding corresponding
   // entries to enum "LoginCustomFlags" in histograms.xml. See note in
   // histograms.xml and don't forget to run AboutFlagsHistogramTest unit test.
 };
 
 const Experiment* experiments = kExperiments;
 size_t num_experiments = arraysize(kExperiments);
 
 // Stores and encapsulates the little state that about:flags has.
@@ skipping 566 matching lines @@
 }
 
 const Experiment* GetExperiments(size_t* count) {
   *count = num_experiments;
   return experiments;
 }
 
 }  // namespace testing
 
 }  // namespace about_flags