Add icon to the overflow menu to trigger the page info popup

chrome/android/java/strings/android_chrome_strings.grd

 <?xml version="1.0" encoding="UTF-8"?>
 <grit current_release="1" latest_public_release="0">
   <outputs>
     <output filename="values-am/android_chrome_strings.xml" lang="am" type="android" />
     <output filename="values-ar/android_chrome_strings.xml" lang="ar" type="android" />
     <output filename="values-bg/android_chrome_strings.xml" lang="bg" type="android" />
     <output filename="values-ca/android_chrome_strings.xml" lang="ca" type="android" />
     <output filename="values-cs/android_chrome_strings.xml" lang="cs" type="android" />
     <output filename="values-da/android_chrome_strings.xml" lang="da" type="android" />
     <output filename="values-de/android_chrome_strings.xml" lang="de" type="android" />
@@ skipping 1077 matching lines @@
       </message>
       <message name="IDS_ACCESSIBILITY_MENU_BOOKMARK" desc="Content description for the bookmark button when the page is not currently bookmarked.">
         Bookmark this page
       </message>
       <message name="IDS_ACCESSIBILITY_MENU_FORWARD" desc="Content description for the forward navigation button.">
         Go forward
       </message>
       <message name="IDS_ACCESSIBILITY_MENU_BACK" desc="Content description for the backard navigation button.">
         Go back
       </message>
+      <message name="IDS_ACCESSIBILITY_MENU_INFO" desc="Content description for the button which opens the page info popup">

[Ted C, 2015/04/06 21:23:25]

maybe we should further describe what could be in this popup to help translators
do something better here.

[tsergeant, 2015/04/07 03:39:21]

Done.

+        View page info

[Ted C, 2015/04/06 21:23:25]

The desktop string is:

"""
View site information
"""

Any reason to differ?

[tsergeant, 2015/04/07 03:39:21]

Done.

+      </message>
       <message name="IDS_ACCESSIBILITY_CONTENT_VIEW" desc="Content description for the content view that holds the web contents [CHAR-LIMIT=30]">
         Web View
       </message>
 
       <!-- ContextMenu -->
       <message name="IDS_CONTEXTMENU_OPEN_IN_NEW_TAB" desc="Context sensitive menu item to open the selected link in a new tab. [CHAR-LIMIT=30]">
         Open in new tab
       </message>
       <message name="IDS_CONTEXTMENU_OPEN_IN_INCOGNITO_TAB" desc="Context sensitive menu item to open the selected link in a new incognito tab. [CHAR-LIMIT=30]">
         Open in incognito tab
@@ skipping 407 matching lines @@
       <message name="IDS_ACCESSIBILITY_PAUSE" desc="Content description for the pause button that pauses playing the media.">
         Pause
       </message>
       <message name="IDS_ACCESSIBILITY_STOP" desc="Content description for the stop button that stops playing the media.">
         Stop
       </message>
  
     </messages>
   </release>
 </grit>