Add an automatic settings reset banner.

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 3712ea8af88ffb133d628ee47c77e1fc5c38960d..d24bacf2fe99386e5a6896f40a9046c879d4117f 100644
--- a/chrome/app/generated_resources.grd
+++ b/chrome/app/generated_resources.grd
@@ -10108,7 +10108,7 @@ Would you like to start <ph name="CONTROL_PANEL_APPLET_NAME">$1<ex>Add/Remove Pr
         <message name="IDS_MANAGE_EXTENSIONS_SETTING_WINDOWS_TITLE" desc="Title that appears in the dialogue title bar for manage extensions settings">
           Extensions
         </message>
-  
+
         <!-- Font settings -->
         <message name="IDS_FONT_LANGUAGE_SETTING_FONT_TAB_TITLE" desc="Title that appears in the Fonts and Encoding subpage">
           Fonts and encoding
@@ -10427,6 +10427,11 @@ Would you like to start <ph name="CONTROL_PANEL_APPLET_NAME">$1<ex>Add/Remove Pr
         <message name="IDS_RESET_PROFILE_SETTINGS_PROCESSING_SHORTCUTS" desc="A placeholder for the actual shortcuts in the Reset Profile Settings dialog (shortcut refers to the desktop icon on windows)">
           Processing shortcuts...
         </message>
+
+        <!-- Automatic Settings Reset strings -->
+        <message name="IDS_AUTOMATIC_SETTINGS_RESET_BANNER_TEXT" desc="The text to show in a banner at the top of the chrome://settings page. The banner is displayed when Chrome detects that its settings have been tampered with and then resets them to factory defaults.">
+          Chrome detected that some of your browser settings were changed by another program and reset them to their original defaults.
+        </message>
       </if>
 
       <!-- chrome://settings strings that are used by all platforms including Android -->