Add a preference for disabling vibration in notifications.

chrome/android/java/strings/android_chrome_strings.grd

 <?xml version="1.0" encoding="UTF-8"?>
 
 <!-- android_chrome_strings.grd contains strings for Chrome for Android.
 
 FAQ:
   - How do I add, change, or remove a string?
       Just update this file.
   - Translations will happen automatically??
       Yes, indeed. Just add your string before the branch point and
       make the description good.
@@ skipping 543 matching lines @@
       </message>
       <message name="IDS_MEDIA_PERMISSION_TITLE" desc="Title of the menu containing the media permissions [CHAR-LIMIT=32]">
         Media
       </message>
       <message name="IDS_POPUP_PERMISSION_TITLE" desc="Title of the permission to display pop-up windows [CHAR-LIMIT=32]">
         Pop-ups
       </message>
       <message name="IDS_PUSH_NOTIFICATIONS_PERMISSION_TITLE" desc="Title for the permission for showing push notifications [CHAR-LIMIT=32]">
         Notifications
       </message>
+      <message name="IDS_ENABLE_NOTIFICATIONS_VIBRATE_TITLE" desc="Title for the preference to enable vibration for notifications">
+        Vibrate
+      </message>
+      <message name="IDS_ENABLE_NOTIFICATIONS_VIBRATE_SUMMARY" desc="Summary for the preference to enable vibration for notifications">
+        Notifications may vibrate the device
+      </message>
       <message name="IDS_MIDI_SYSEX_PERMISSION_TITLE" desc="Title of the permission that allows a website to get full control of MIDI devices [CHAR-LIMIT=32]">
         Allow full control of MIDI devices
       </message>
       <message name="IDS_BACKGROUND_SYNC_PERMISSION_TITLE" desc="Title of the permission that allows websites to queue an operation for the next time the device is online[CHAR-LIMIT=32]">
         Background sync
       </message>
       <message name="IDS_WEBSITE_SETTINGS_ADD_SITE" desc="The label for the button to add a new website to the exception list.">
         Add site exception
       </message>
       <message name="IDS_WEBSITE_SETTINGS_ADD_SITE_DIALOG_TITLE" desc="The title of the dialog to add a website to a list.">
@@ skipping 1173 matching lines @@
         OK, got it
       </message>
       <message name="IDS_SIGNIN_ADD_ACCOUNT" desc="Text for adding another Google Account">
         Add account
       </message>
       <message name="IDS_SIGNIN_OPEN_ADD_GOOGLE_ACCOUNT_PAGE_FAILED" desc="Message for openning add Google Account page in device's Settings app failed">
         Add a Google Account from the Accounts page in your device's Settings app.
       </message>
       <message name="IDS_SIGNIN_OPEN_SETTINGS_ACCOUNTS" desc="Text for button to open Accounts page in device's Settings app">
         Open settings
-      </message>      
+      </message>
       <message name="IDS_MAKE_CHROME_YOURS" desc="Title for the signin promo that prompts the user to sign in to Chrome to have a personalized experirence. [CHAR-LIMIT=24]">
         Make Chrome yours
       </message>
       <message name="IDS_SIGNIN_HI_NAME" desc="Title welcoming the user by their name after they have signed in.">
         Hi, <ph name="FULL_NAME">%1$s<ex>John Smith</ex></ph>
       </message>
       <message name="IDS_SIGNIN_SIGNED_IN_DESCRIPTION_UCA_ADDENDUM" desc="Additional explanation for child accounts that synced settings are managed by parents.">
         Your parents help manage these settings.
       </message>
       <message name="IDS_SIGNIN_SIGNED_IN_SETTINGS_DESCRIPTION" desc="Label of the section containing the link to go to the settings page.">
@@ skipping 668 matching lines @@
       <!-- Migration strings -->
       <message name="IDS_TAB_SWITCHER_CALLOUT_HEADER" desc="Header for the Tab Switcher callout.">
         Quickly switch tabs
       </message>
       <message name="IDS_TAB_SWITCHER_CALLOUT_BODY" desc="Indicates that clicking the tab switcher button gives you quick access to your tabs.">
         Tap this button for quick access to your tabs.
       </message>
     </messages>
   </release>
 </grit>