Remove confirmation dialog from BackgroundModeManager.

chrome/app/google_chrome_strings.grd

Index: chrome/app/google_chrome_strings.grd
diff --git a/chrome/app/google_chrome_strings.grd b/chrome/app/google_chrome_strings.grd
index ac90825c7825c01722e2990b1e93a398e76c1abd..6b1984b253f01c78077746075f2d004680ba3127 100644
--- a/chrome/app/google_chrome_strings.grd
+++ b/chrome/app/google_chrome_strings.grd
@@ -355,9 +355,6 @@ Chrome supports. -->
       <message name="IDS_OPTIONS_BACKGROUND_ENABLE_BACKGROUND_MODE" desc="The label of the check-box that enables background mode">
         Continue running background apps when Google Chrome is closed
       </message>
-      <message name="IDS_CONFIRM_EXIT_BACKGROUND_MODE_BODY" desc="Confirmation displayed when disabling background mode via the status tray context menu when there are no windows open">
-        Are you sure you want to quit Google Chrome? (This setting can be toggled in <ph name="ADVANCED_OPTIONS_TAB_TITLE">$1<ex>Options - Under the Hood</ex></ph>)
-      </message>
       <message name="IDS_CANT_WRITE_USER_DIRECTORY_SUMMARY" desc="Summary of problem displayed in dialog when we can't create a directory for this user.">
         Google Chrome cannot read and write to its data directory:\n\n<ph name="USER_DATA_DIRECTORY">$1<ex>C:\Documents and Settings\devint\Local Settings\Application Data\Google\Chrome</ex></ph>
       </message>