Add 'Get Info' to contextual menu to display QuickView.

chrome/app/chromeos_strings.grdp

 <?xml version="1.0" encoding="utf-8"?>
 <!-- ChromeOS-specific strings (included from generated_resources.grd).
      Everything in this file is wrapped in <if expr="chromeos">. -->
 <grit-part>
   <message name="IDS_EMPTY_STRING" desc="Empty string, exist only to make code generic. No translation required.">
   </message>
   <!-- Idle logout dialog for retail mode -->
   <message name="IDS_IDLE_LOGOUT_TITLE" desc="Dialog title for the idle logout dialog. Used in retail mode only.">
     Are you still there?
   </message>
@@ skipping 418 matching lines @@
   </message>
   <message name="IDS_FILE_BROWSER_FILE_ALREADY_EXISTS" desc="Error message displayed when user tries to create a file with an existing name.">
     The file named "$1" already exists. Please choose a different name.
   </message>
   <message name="IDS_FILE_BROWSER_DIRECTORY_ALREADY_EXISTS" desc="Error message displayed when user tries to create a directory with an existing name.">
     The folder named "$1" already exists. Please choose a different name.
   </message>
   <message name="IDS_FILE_BROWSER_ERROR_RENAMING" desc="Error message.">
     Unable to rename "<ph name="FILE_NAME">$1<ex>document.pdf</ex></ph>". <ph name="ERROR_MESSAGE">$2<ex>An error occurred (code: ABORT)</ex></ph>
   </message>
+  <message name="IDS_FILE_BROWSER_GET_INFO_BUTTON_LABEL" desc="Button Label.">

[fukino, 2016/09/16 11:17:30]

Please be more descriptive on desc= part. (Other labels also have meaningless
description, though :(

[harukam, 2016/09/16 12:39:58]

Sorry. Done!

+    Get Info
+  </message>
   <message name="IDS_FILE_BROWSER_RENAME_BUTTON_LABEL" desc="Button Label.">
     Rename
   </message>
   <message name="IDS_FILE_BROWSER_DELETE_BUTTON_LABEL" desc="Button Label.">
     Delete
   </message>
   <message name="IDS_FILE_BROWSER_PASTE_BUTTON_LABEL" desc="Button Label.">
     Paste
   </message>
   <message name="IDS_FILE_BROWSER_REFRESH_BUTTON_LABEL" desc="Label for a button for refreshing the current directory.">
@@ skipping 5866 matching lines @@
   <message name="IDS_LOW_DISK_NOTIFICATION_BUTTON" desc="Button on the low disk notification to open storage management.">
     Manage storage
   </message>
   <message name="IDS_FLAGS_ENABLE_EHV_INPUT_NAME" desc="Name of the about: flag for enabling emoji, handwriting and voice input on opt-in IME menu.">
     Emoji, handwriting and voice input on opt-in IME menu
     </message>
   <message name="IDS_FLAGS_ENABLE_EHV_INPUT_DESCRIPTION" desc="Description of the about: flag enabling emoji, handwriting and voice input on opt-in IME menu.">
     Enable access to emoji, handwriting and voice input form opt-in IME menu.
   </message>
 </grit-part>