VR: Remove unused string resources.

chrome/app/generated_resources.grd

 <?xml version="1.0" encoding="utf-8"?>
 
 <!--
 This file contains definitions of resources that will be translated for each
 locale.  The variables is_win, is_macosx, is_linux, and is_posix are available
 for making strings OS specific.  Other platform defines such as use_titlecase
 are declared in build/common.gypi.
 -->
 
 <grit base_dir="." latest_public_release="0" current_release="1"
@@ skipping 12159 matching lines @@
     <message name="IDS_IME_API_NEVER_SHOW" desc="Checkbox that controls whether this bubble will be shown every time.">
       Never show this again.
     </message>
     <if expr="is_macosx">
       <message name="IDS_ANNOUNCEMENT_COMPLETION_AVAILABLE_MAC" desc="Text to be
 read aloud to screenreader users to announce that a completion is available.">
         Completion available: <ph name="COMPLETION_TEXT">$1</ph>
       </message>
     </if>
     <if expr="enable_vr">
-      <message name="IDS_VR_SHELL_UI_BACK_BUTTON" desc="Text under the VR scene history back button">
-        Back
-      </message>
-      <message name="IDS_VR_SHELL_UI_FORWARD_BUTTON" desc="Text under the VR scene history forward button">
-        Forward
-      </message>
-      <message name="IDS_VR_SHELL_UI_RELOAD_BUTTON" desc="Text under the VR scene reload page button">
-        Reload
-      </message>
-      <message name="IDS_VR_SHELL_UI_EXIT_PRESENT_BUTTON" desc="Text under the VR scene exit present button">
-        Exit Presentation
-      </message>
-      <message name="IDS_VR_SHELL_NEW_TAB_BUTTON" desc="Text on the VR scene new tab button">
-        New Tab
-      </message>
-      <message name="IDS_VR_SHELL_NEW_INCOGNITO_TAB_BUTTON" desc="Text on the VR scene new incognito tab button">
-        New Incognito Tab
-      </message>
       <message name="IDS_VR_SHELL_EXIT_PROMPT_DESCRIPTION" desc="Text on the exit prompt that shows up when the user clicks on URL bar security icon in VR">
         Site information is not available in VR
       </message>
       <message name="IDS_VR_SHELL_EXIT_PROMPT_EXIT_VR_BUTTON" desc="Text on the exit button of the exit prompt that shows up when the user clicks on URL bar security icon in VR">
         EXIT VR
       </message>
     </if>
 
     <!-- Safe Browsing Subresource Filter UI strings. -->
     <if expr="use_titlecase">
@@ skipping 139 matching lines @@
       <message name="IDS_VIDEO_AUDIO_CALL_NOTIFICATION_TEXT_2" desc="Text to be shown as a notification when a WebRTC video and audio call is in progress" formatter_data="android_java">
         Accessing audio and video input
       </message>
       <message name="IDS_SCREEN_CAPTURE_NOTIFICATION_TEXT_2" desc="Text to be shown as a notification when screen capture is in progress.">
         Sharing screen
       </message>
     </if>
   </messages>
  </release>
 </grit>