MD Settings: implement "RESTART" button for hardware acceleration to take effect

chrome/app/settings_strings.grdp

Index: chrome/app/settings_strings.grdp
diff --git a/chrome/app/settings_strings.grdp b/chrome/app/settings_strings.grdp
index 8cbc2458470b302a1d49c0b00e9805b7e131c913..b93cb0b91fa0019854e2393fdcae3c5f539dc649 100644
--- a/chrome/app/settings_strings.grdp
+++ b/chrome/app/settings_strings.grdp
@@ -115,6 +115,16 @@
   <message name="IDS_SETTINGS_SETTINGS" desc="The settings page title.">
     Settings
   </message>
+  <if expr="not chromeos">
+    <message name="IDS_SETTINGS_RESTART" desc="Text for a button that will restart Chrome.">
+      Relaunch
+    </message>
+  </if>
+  <if expr="chromeos">
+    <message name="IDS_SETTINGS_RESTART" desc="Text for a button that will restart ChromeOS.">
+      Restart
+    </message>
+  </if>
 
   <!-- Passwords and Autofill Page -->
   <message name="IDS_SETTINGS_PASSWORDS_AND_AUTOFILL_PAGE_TITLE" desc="Name of the settings page which allows managing passwords and autofill settings.">