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 2469 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[] =
+    "Block the Vibration API if no user gesture has been 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 481 matching lines @@
 const char kEnableCopylessPasteDescription[] =
     "Provide suggestions for text input, based on your recent context. For "
     "example, if you looked at a restaurant website and switched to the Maps "
     "app, the keyboard would offer the name of that restaurant as a suggestion "
     "to enter into the search bar. The data is indexed locally, and never sent "
     "to the server. It's disabled in incognito mode.";
 
 #endif  // defined(OS_ANDROID)
 
 }  // namespace flag_descriptions