Remove navigator.vibrate without user gesture.

chrome/browser/flag_descriptions.cc

 // 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.
 
 #include "chrome/browser/flag_descriptions.h"
 
 namespace flag_descriptions {
 
 //  Material Design version of chrome://bookmarks
 
@@ skipping 2428 matching lines @@
     "for faster layout.";
 
 const char kFramebustingName[] =
     "Framebusting requires same-origin or a user gesture";
 
 const char kFramebustingDescription[] =
     "Don't permit an iframe to navigate the top level browsing context "
     "unless they are same-origin or the iframe is processing a user "
     "gesture.";
 
+const char kVibrateRequiresUserGestureName[] =
+    "Requiring user gesture for the Vibration API";
+
+const char kVibrateRequiresUserGestureDescription[] =
+    "Blocking the Vibration API if there has no user gesture received on "
+    "the frame or any embedded frame.";
+
 #if defined(OS_ANDROID)
 
 const char kEnableVrShellName[] = "Enable Chrome VR.";
 
 const char kEnableVrShellDescription[] =
     "Allow browsing with a VR headset if available for this device.";
 
 #endif  // defined(OS_ANDROID)
 
 //  Web payments
@@ skipping 448 matching lines @@
 const char kEnableEhvInputName[] =
     "Emoji, handwriting and voice input on opt-in IME menu";
 
 const char kEnableEhvInputDescription[] =
     "Enable access to emoji, handwriting and voice input form opt-in IME "
     "menu.";
 
 #endif  // #if defined(OS_CHROMEOS)
 
 }  // namespace flag_descriptions