Reveals --ash-enable-fullscreen-app-list flag to chrome://flags.

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>
   <message name="IDS_CHROMEBOOK" desc="The localized name for Chromebook.">
     Chromebook
   </message>
   <message name="IDS_CHROMEBOX" desc="The localized name for Chromebox">
@@ skipping 1226 matching lines @@
   </message>
   <message name="IDS_FLAGS_AGGRESSIVE_THRESHOLDS" desc="The value of the Memory pressure thresholds for ChromeOS which use an aggressive release strategy.">
     Aggressive tab and cache release strategy
   </message>
   <message name="IDS_FLAGS_WAKE_ON_PACKETS_NAME" desc="Name for the flag to enable wake on packets.">
     Wake On Packets
   </message>
   <message name="IDS_FLAGS_WAKE_ON_PACKETS_DESCRIPTION" desc="Description for the flag to enable wake on packets.">
     Enables waking the device based on the receipt of some network packets.
   </message>
+  <message name="IDS_FLAGS_FULLSCREEN_APP_LIST_NAME" desc="Description for the flag to enable experimental fullscreen app list.">
+    Enables the fullscreen app-list in touch-view mode.
+  </message>
+  <message name="IDS_FLAGS_FULLSCREEN_APP_LIST_DESCRIPTION" desc="Description for the flag to enable experimental fullscreen app list.">
+    The app-list will appear as fullscreen mode when it's in touch view mode. This flag does nothing outside of the mode.
+  </message>
   <message name="IDS_OFFERS_CONSENT_INFOBAR_LABEL_LEARN_MORE" desc="Text of the Learn More link in the echo dialog.">
     Learn More
   </message>
   <message name="IDS_OFFERS_CONSENT_INFOBAR_ENABLE_BUTTON" desc="Enable button label.">
     Allow
   </message>
   <message name="IDS_OFFERS_CONSENT_INFOBAR_DISABLE_BUTTON" desc="Disable button label.">
     Deny
   </message>
   <message name="IDS_NETWORK_CONFIG_ERROR_INCORRECT_PASSWORD" desc="Error for network configuration: Incorrect password.">
@@ skipping 5109 matching lines @@
     Could not connect to the Chrome Web Store.
   </message>
   <message name="IDS_FLAGS_PRINTER_PROVIDER_SEARCH_APP_NAME" desc="Name of the flag used to enable launching Chrome Web Store Gallery widget app for searching for printer provider apps.">
     Chrome Web Store Gallery app for printer drivers
   </message>
   <message name="IDS_FLAGS_PRINTER_PROVIDER_SEARCH_APP_DESCRIPTION" desc="Description of a flag in chrome://flags that enables launching Chrome Web Store Gallery widget app for searching for printer provider apps.">
     Enables Chrome Web Store Gallery app for printer drivers. The app searches Chrome Web Store for extensions that support printing to a USB printer with specific USB ID.
   </message>
 
 </grit-part>