Remove navigator.vibrate without user gesture.

chrome/browser/flag_descriptions.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 CHROME_BROWSER_FLAG_DESCRIPTIONS_H_
 #define CHROME_BROWSER_FLAG_DESCRIPTIONS_H_
 
 // Includes needed for macros allowing conditional compilation of some strings.
 #include "build/build_config.h"
 #include "build/buildflag.h"
@@ skipping 480 matching lines @@
 extern const char kTouchSelectionStrategyDescription[];
 
 // Description for the touch text selection strategy which always uses character
 // granularity.
 extern const char kTouchSelectionStrategyCharacter[];
 
 // Description for the touch text selection strategy which is based on the
 // direction in which the handle is dragged.
 extern const char kTouchSelectionStrategyDirection[];
 
+// Name of the flag that requires a user gesture for vibrate.
+extern const char kVibrateRequiresUserGestureName[];
+
+// Description of the flag that requires a user gesture for vibrate.
+extern const char kVibrateRequiresUserGestureDescription[];
+
 // Title for the flag to use the Online Wallet sandbox servers (instead of
 // production).
 extern const char kWalletServiceUseSandboxName[];
 
 // Description of the flag to use the Online Wallet sandbox servers.
 extern const char kWalletServiceUseSandboxDescription[];
 
 // Title for the flag for history navigation from horizontal overscroll.
 extern const char kOverscrollHistoryNavigationName[];
 
@@ skipping 2636 matching lines @@
 
 // Description of the about: flag enabling emoji, handwriting and voice input on
 // opt-in IME menu.
 extern const char kEnableEhvInputDescription[];
 
 #endif  // #if defined(OS_CHROMEOS)
 
 }  // namespace flag_descriptions
 
 #endif  // CHROME_BROWSER_FLAG_DESCRIPTIONS_H_