Remove single-window-metro-mode code paths for the app launcher and apps.

chrome/app/chromium_strings.grd

 <?xml version="1.0" encoding="UTF-8"?>
 <!-- This file contains definitions of strings that are distribution specific.
 These strings will not be translated and only english versions will
 be available for now. -->
 
 <grit base_dir="." latest_public_release="0" current_release="1"
       source_lang_id="en" enc_check="möl">
   <outputs>
     <output filename="grit/chromium_strings.h" type="rc_header">
       <emit emit_type='prepend'></emit>
@@ skipping 232 matching lines @@
           Chromium OS
         </message>
         <message name="IDS_SHORT_PRODUCT_OS_NAME" desc="The Chrome OS application short name">
           Chromium OS
         </message>
       </if>
       <if expr="is_win">
         <message name="IDS_PRODUCT_APP_LAUNCHER_NAME" desc="The Chrome App Launcher application name">
           Chromium App Launcher
         </message>
-        <message name="IDS_WIN8_INFOBAR_DESKTOP_RESTART_FOR_APP_LIST"
-                 desc="Infobar message to restart chrome in desktop mode to display the App Launcher. Aplies to Windows 8 only">
-          To use the app launcher, you must relaunch Chromium on the desktop.
-        </message>
-        <message name="IDS_WIN8_INFOBAR_DESKTOP_RESTART_FOR_PACKAGED_APP"
-                 desc="Infobar message to restart chrome in desktop mode to launch a Chrome Packaged App. Aplies to Windows 8 only">
-          To use Chrome apps, you must relaunch Chromium on the desktop.
-        </message>
-        <message name="IDS_WIN8_INFOBAR_DESKTOP_RESTART_TO_LAUNCH_APPS_YES_BUTTON"
-             desc="Infobar button 'yes' text to confirm that the user does wish to switch to desktop mode to use Chrome Apps">
-          Relaunch Chromium
-        </message>
         <message name="IDS_PRODUCT_BINARIES_NAME" desc="The Chrome Binaries application name">
           Chromium Binaries
         </message>
         <message name="IDS_CHROME_FRAME_TURNDOWN_LEARN_MORE_URL" desc="Link to knowledge-base article about Chromium Frame's turndown">
           http://support.google.com/chrome/?p=ib_chromeframe
         </message>
         <message name="IDS_CHROME_FRAME_TURNDOWN_TEXT_IE_OLDER" desc="Text of Chromium Frame turndown prompt for IE 6, 7, and 8">
           This site is using the Chromium Frame plug-in which will soon be unsupported. Please uninstall it and upgrade to a modern browser.
         </message>
         <message name="IDS_CHROME_FRAME_TURNDOWN_TEXT_IE_NEWER" desc="Text of Chromium Frame turndown prompt for IE 9 and 10">
@@ skipping 939 matching lines @@
         <message name="IDS_NEW_TAB_OTR_EXTENSIONS_MESSAGE"
                  desc="Explanation in a new OTR window that extensions have been disabled while in OTR.">
           Because Chromium does not control how extensions handle your personal data, all extensions have been disabled for incognito windows. You can reenable them individually in the
           <ph name="BEGIN_LINK">&lt;a href="$1"&gt;</ph>extensions manager<ph name="END_LINK">&lt;/a&gt;<ex>&lt;/a&gt;</ex></ph>.
         </message>
       </if>
 
     </messages>
   </release>
 </grit>