Fix gendered string descriptions and comments in //components.

components/components_google_chrome_strings.grd

Index: components/components_google_chrome_strings.grd
diff --git a/components/components_google_chrome_strings.grd b/components/components_google_chrome_strings.grd
index d4f3b0f582de0ff0098e4af5935e1bff200f048e..256a04468da810fa11f10834444602505da4f07f 100644
--- a/components/components_google_chrome_strings.grd
+++ b/components/components_google_chrome_strings.grd
@@ -188,12 +188,12 @@
 
       <!-- About Flags UI -->
       <if expr="not chromeos">
-        <message name="IDS_FLAGS_UI_RELAUNCH_NOTICE" desc="Notifies the user that he needs to relaunch Chrome. Shown next to a button that says 'Relaunch Now'.">
+        <message name="IDS_FLAGS_UI_RELAUNCH_NOTICE" desc="Notifies the user that they need to relaunch Chrome. Shown next to a button that says 'Relaunch Now'.">
           Your changes will take effect the next time you relaunch Google Chrome.
         </message>
       </if>
       <if expr="chromeos">
-        <message name="IDS_FLAGS_UI_RELAUNCH_NOTICE" desc="Notifies the user that he needs to restart Chrome OS. Shown next to a button that says 'Restart Now'.">
+        <message name="IDS_FLAGS_UI_RELAUNCH_NOTICE" desc="Notifies the user that they need to restart Chrome OS. Shown next to a button that says 'Restart Now'.">
           Your changes will take effect the next time you restart your device.
         </message>
       </if>