Print Preview: Adding UI for margin settings.

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 6054 matching lines @@
       </message>
       <message name="IDS_PRINT_PREVIEW_EXAMPLE_PAGE_RANGE_TEXT" desc="Example page range text.">
         e.g. 1-5, 8, 11-13
       </message>
       <message name="IDS_PRINT_PREVIEW_PAGE_RANGE_TEXT" desc="Aria-label page range text.">
         page range text box
       </message>
       <message name="IDS_PRINT_PREVIEW_PAGE_RANGE_RADIO" desc="Aria-label page range radio.">
         page range radio button
       </message>
+      <message name="IDS_PRINT_PREVIEW_INVALID_MARGIN_SETTINGS" desc="Warning message shown when the text entered by the user in the one or more of the margin text boxes are invalid.">
+        Invalid margin values
+      </message>
       <message name="IDS_PRINT_PREVIEW_PRINT_TO_PDF"
                desc="Option shown on printer drop-down list for saving previewed document to PDF.">
         Print to PDF
       </message>
       <message name="IDS_PRINT_PREVIEW_SIGN_IN"
           desc="Option shown in printer drop-down list when the user isn't signed in to cloud print.  Choosing it will display a sign in dialog.">
         Sign in to access cloud printers...
       </message>
       <message name="IDS_PRINT_PREVIEW_MORE_PRINTERS"
           desc="Option shown in printer drop-down list that displays an interface for finding/using additional cloud based printers.">
@@ skipping 7717 matching lines @@
     </messages>
     <structures fallback_to_english="true">
       <!-- Make sure these stay in sync with the structures in generated_resources.grd. -->
       <structure name="IDD_CHROME_FRAME_FIND_DIALOG" file="cf_resources.rc" type="dialog" >
       </structure>
       <structure name="IDD_CHROME_FRAME_READY_PROMPT" file="cf_resources.rc" type="dialog" >
       </structure>
     </structures>
   </release>
 </grit>