Reapply r50859 with chromeos fixes.

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. -->
 
 <grit base_dir="." latest_public_release="0" current_release="1"
       source_lang_id="en" enc_check="möl">
   <outputs>
     <output filename="grit/generated_resources.h" type="rc_header">
       <emit emit_type='prepend'></emit>
@@ skipping 804 matching lines @@
         </message>
         <message name="IDS_TOOLS_MENU" desc="The text label of the Tools submenu">
           &amp;Tools
         </message>
         <message name="IDS_ZOOM_MENU" desc="In Title Case: The text label of the Zoom submenu">
           &amp;Zoom
         </message>
         <message name="IDS_ZOOM_PLUS" desc="In Title Case: The text label of the Make Text Larger menu item">
           &amp;Larger
         </message>
+        <message name="IDS_ZOOM_PLUS2" desc="The text label of the Make Text Larger menu item in the merged menu">
+          +
+        </message>
         <message name="IDS_ZOOM_NORMAL" desc="In Title Case: The text label of the Make Text Normal Size menu item">
           &amp;Normal
         </message>
         <message name="IDS_ZOOM_MINUS" desc="In Title Case: The text label of the Make Text Smaller menu item">
           &amp;Smaller
         </message>
+        <message name="IDS_ZOOM_MINUS2" desc="The text label of the Make Text Smaller menu item in the merged menu">
+          -
+        </message>
+        <message name="IDS_ZOOM_PERCENT" desc="Current pages zoom factor; shown in merged menu">
+        <ph name="VALUE">$1<ex>100</ex></ph>%
+        </message>
         <message name="IDS_ENCODING_MENU" desc="In Title Case: The text label of the Encoding submenu">
           &amp;Encoding
         </message>
         <message name="IDS_ENCODING_AUTO_DETECT" desc="In Title Case: The text label of the Auto Detect submenu">
           Auto Detect
         </message>
       </if>
       <message name="IDS_ENCODING_DISPLAY_TEMPLATE" desc="The format of encodings in the encoding menu. Encoding categories are Unicode, Western, Turkish, Cyrillic, Chinese Simplified, Thai, Arabic, Hebrew and so forth. Encoding names are UTF-8, ISO-8859-1, Windows-1251, GB2312, etc.">
         <ph name="ENCODING_CATEGORY">$1<ex>Japanese</ex></ph> (<ph name="ENCODING_NAME">$2<ex>Shift_JIS</ex></ph>)
       </message>
@@ skipping 7722 matching lines @@
 
     </messages>
 
     <structures first_id="50000" fallback_to_english="true">
       <structure name="IDD_CHROME_FRAME_FIND_DIALOG" file="cf_resources.rc" type="dialog" >
       </structure>
     </structures>
 
   </release>
 </grit>