Remove pp_ifdef from grd files in components/.

components/policy_strings.grdp

 <?xml version="1.0" encoding="utf-8"?>
 <grit-part>
 
   <message name="IDS_POLICY_DM_STATUS_SUCCESS" desc="Message indicating a successful device management server call.">
     Request succeeded
   </message>
   <message name="IDS_POLICY_DM_STATUS_REQUEST_INVALID" desc="Message indicating a bad request to the enterprise server.">
     Invalid request or request parameters
   </message>
   <message name="IDS_POLICY_DM_STATUS_REQUEST_FAILED" desc="Message indicating the request to the enterprise server failed in the network.">
@@ skipping 262 matching lines @@
   </message>
   <message name="IDS_POLICY_SHOW_EXPANDED_VALUE" desc="Text for the link that shows the policy value. Used when the policy value is too long to be always visible.">
     Show value
   </message>
   <message name="IDS_POLICY_HIDE_EXPANDED_VALUE" desc="Text for the link that hides the policy value. Used when the policy value is too long to be always visible.">
     Hide value
   </message>
   <message name="IDS_POLICY_SCOPE_USER" desc="Text displayed in the Applies to column when a policy applies to the current user only.">
     Current user
   </message>
-  <if expr="not is_android and not pp_ifdef('chromeos')">
+  <if expr="not is_android and not chromeos">
     <message name="IDS_POLICY_SCOPE_DEVICE" desc="Text displayed in the Applies to column when a policy applies to everyone on the machine.">
       Machine
     </message>
   </if>
-  <if expr="pp_ifdef('chromeos') or is_android">
+  <if expr="chromeos or is_android">
     <message name="IDS_POLICY_SCOPE_DEVICE" desc="Mobile: Text displayed in the Applies To column when a policy applies to everyone on the device.">
       Device
     </message>
   </if>
   <message name="IDS_POLICY_LEVEL_RECOMMENDED" desc="Text displayed in the Level column when a policy is recommended.">
     Recommended
   </message>
   <message name="IDS_POLICY_LEVEL_MANDATORY" desc="Text displayed in the Level column when a policy is mandatory.">
     Mandatory
   </message>
 
   <if expr="is_android">
     <message name="IDS_POLICY_MANAGED_BOOKMARKS" desc="Mobile: name of the managed bookmarks folder">
       <ph name="DOMAIN">$1<ex>google.com</ex></ph> bookmarks
     </message>
     <message name="IDS_POLICY_MANAGED_BOOKMARKS_DEFAULT_NAME" desc="Mobile: name of the managed bookmarks folder when the management domain can't be determined.">
       Managed bookmarks
     </message>
   </if>
 
 </grit-part>