GuestViews should be able to specify task manager entries

extensions/extensions_strings.grd

 <?xml version="1.0" encoding="utf-8"?>
 
 <!--
   Strings for the extensions module. Used mostly for low-level error messages.
   Where possible new strings should be kept in Chrome and the extensions module
   should return an error code, message flag, etc.
 -->
 
 <grit latest_public_release="0" current_release="1"
       source_lang_id="en" enc_check="möl">
@@ skipping 276 matching lines @@
       </message>
       <message name="IDS_EXTENSION_PROMPT_WARNING_USB_DEVICE" desc="Permission string for access to a specific USB device.">
         Access the USB device <ph name="PRODUCT_NAME">$1<ex>SoundKnob</ex></ph> from <ph name="VENDOR_NAME">$2<ex>Griffin Technology</ex></ph>
       </message>
       <message name="IDS_EXTENSION_PROMPT_WARNING_USB_DEVICE_MISSING_PRODUCT" desc="Permission string for access to a specific USB device when a product name cannot be established for a USB device.">
         Access the USB device from <ph name="VENDOR_NAME">$1<ex>Griffin Technology</ex></ph>
       </message>
       <message name="IDS_EXTENSION_PROMPT_WARNING_USB_DEVICE_MISSING_VENDOR" desc="Permission string for access to a specific USB device when a vendor name cannot be established for a USB device.">
         Access the USB device
       </message>
-
+      <if expr="enable_task_manager">
+        <if expr="not use_titlecase">
+          <message name="IDS_EXTENSION_TASK_MANAGER_APPVIEW_TAG_PREFIX" desc="The prefix for a guest page loaded in an appview tag in the Task Manager">
+            Appview: <ph name="APPVIEW_TAG_NAME">$1<ex>Google Hangouts</ex></ph>
+          </message>
+          <message name="IDS_EXTENSION_TASK_MANAGER_EXTENSIONOPTIONS_TAG_PREFIX" desc="The prefix for a guest page loaded in an extensionoptions tag in the Task Manager">
+            Options: <ph name="EXTENSIONOPTIONS_TAG_NAME">$1<ex>Google Hangouts</ex></ph>
+          </message>
+          <message name="IDS_EXTENSION_TASK_MANAGER_WEBVIEW_TAG_PREFIX" desc="The prefix for a guest page loaded in a webview tag in the Task Manager">
+            Webview: <ph name="WEBVIEW_TAG_NAME">$1<ex>Google</ex></ph>
+          </message>
+        </if>
+      </if>
     </messages>
   </release>
 </grit>