Add Simple Cache choice to about:flags

chrome/app/generated_resources.grd

Index: chrome/app/generated_resources.grd
diff --git a/chrome/app/generated_resources.grd b/chrome/app/generated_resources.grd
index ed55572eb9af9287aeb3dd820c6c4a75be8b8aec..fdffa594c569e6196d3aa063577cb770d5bb32ec 100644
--- a/chrome/app/generated_resources.grd
+++ b/chrome/app/generated_resources.grd
@@ -14927,6 +14927,14 @@ Some features may be unavailable.  Please check that the profile exists and you
       Enable virtual keyboard support.
     </message>
 
+    <!-- Simple Cache Backend experiment. -->
+    <message name="IDS_FLAGS_ENABLE_SIMPLE_CACHE_BACKEND_NAME" desc="Name of about:flags option to turn on the Simple Cache Backend">
+      Enable the Simple Cache for HTTP. Unstable! It may corrupt your cache! Do not use this option.
+    </message>
+    <message name="IDS_FLAGS_ENABLE_SIMPLE_CACHE_BACKEND_DESCRIPTION" desc="Description of about:flags option to turn on the Simple Cache Backend">
+      The Simple Cache for HTTP is a new cache. It relies on the filesystem for disk space allocation.
+    </message>
+
     <!-- Toast experiment. -->
     <message name="IDS_TRY_TOAST_SET_DEFAULT" desc="Text of the checkbox to make chrome the default browser">
       Make it my default browser