Show all experiments, even those that are unavailable on the current platform

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.  The variables is_win, is_macosx, is_linux, and is_posix are available
 for making strings OS specific.  Other platform defines such as use_titlecase
 are declared in build/common.gypi.
 -->
 
 <grit base_dir="." latest_public_release="0" current_release="1"
@@ skipping 4582 matching lines @@
       </message>
       <message name="IDS_FLAGS_WARNING_HEADER" desc="Text right before the warning body text.">
         WARNING
       </message>
       <message name="IDS_FLAGS_WARNING_TEXT" desc="Text at the top of the about:flags page, warning users that the about:flags contents are volatile.">
         These experimental features may change, break, or disappear at any time. We make absolutely no guarantees about what may happen if you turn one of these experiments on, and your browser may even spontaneously combust. Jokes aside, your browser may delete all your data, or your security and privacy could be compromised in unexpected ways. Any experiments you enable will be enabled for all users of this browser. Please proceed with caution.
       </message>
       <message name="IDS_FLAGS_NO_EXPERIMENTS_AVAILABLE" desc="Shown if no experiments are available">
         Aww, it looks like there are currently no experiments available.
       </message>
+      <message name="IDS_FLAGS_NOT_SUPPORTED" desc="Shown instead of the Enable/Disable link, to let the user know that an experiment is not supported on the current platform.">
+        Sorry, this experiment is not available on your platform.
+      </message>
       <if expr="not pp_ifdef('chromeos')">
         <message name="IDS_FLAGS_RELAUNCH_NOTICE" desc="Notifies the user that he needs to relaunch chrome. Shown next to a button that says 'Relaunch Now'.">
           Your changes will take effect the next time you relaunch <ph name="PRODUCT_NAME">$1<ex>Google Chrome</ex></ph>.
         </message>
         <message name="IDS_FLAGS_RELAUNCH_BUTTON" desc="Text on a button that relaunches chrome when clicked. ">
           Relaunch Now
         </message>
       </if>
       <if expr="pp_ifdef('chromeos')">
         <message name="IDS_FLAGS_RELAUNCH_NOTICE" desc="Notifies the user that he needs to restart Chrome OS. Shown next to a button that says 'Restart Now'.">
@@ skipping 10135 matching lines @@
     </messages>
     <structures fallback_to_english="true">
       <!-- Make sure these stay in sync with the structures in generated_resources.grd. -->
       <structure name="IDD_CHROME_FRAME_FIND_DIALOG" file="cf_resources.rc" type="dialog" >
       </structure>
       <structure name="IDD_CHROME_FRAME_READY_PROMPT" file="cf_resources.rc" type="dialog" >
       </structure>
     </structures>
   </release>
 </grit>