[Icons NTP] Add a flag to enable large icons on the NTP.

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 2893fc744112c09a17188291df49089afacbf795..d9a181fe81ac93908db13c39186e2be7bdefec83 100644
--- a/chrome/app/generated_resources.grd
+++ b/chrome/app/generated_resources.grd
@@ -6476,6 +6476,12 @@ Keep your key file in a safe place. You will need it to create new versions of y
       <message name="IDS_FLAGS_PERFORMANCE_MONITOR_GATHERING_DESCRIPTION" desc="Description for the flag to enable Performance Monitor.">
         Enable passive gathering of performance-related metrics and events and provide the option to view this data in a graphical fashion. To view data, visit chrome://performance.
       </message>
+      <message name="IDS_FLAGS_ENABLE_ICON_NTP_NAME" desc="Name of the flag to enable large icons on the NTP.">
+        Enable large icons on the New Tab page
+      </message>
+      <message name="IDS_FLAGS_ENABLE_ICON_NTP_DESCRIPTION" desc="Description for the flag to enable large icons on the NTP.">
+        Enable the experimental New Tab page using large icons.
+      </message>
       <message name="IDS_FLAGS_ENABLE_STALE_WHILE_REVALIDATE_NAME" desc="Name of the flag to enable the stale-while-revalidate cache directive.">
         Enable the stale-while-revalidate cache directive
       </message>