Remove details from BROWSER_CLOSING and BROWSER_CLOSED notifications.

chrome/browser/ui/browser.cc

Index: chrome/browser/ui/browser.cc
diff --git a/chrome/browser/ui/browser.cc b/chrome/browser/ui/browser.cc
index 332accd8348287ed66402ae5ede36135b9981fed..a1591dc3b6ab355f41007e9207f79c3a76204c37 100644
--- a/chrome/browser/ui/browser.cc
+++ b/chrome/browser/ui/browser.cc
@@ -591,8 +591,6 @@ void Browser::OnWindowClosing() {
   if (!ShouldCloseWindow())
     return;
 
-  bool exiting = false;
-
   // Application should shutdown on last window close if the user is explicitly
   // trying to quit, or if there is nothing keeping the browser alive (such as
   // AppController on the Mac, or BackgroundContentsService for background
@@ -600,10 +598,8 @@ void Browser::OnWindowClosing() {
   bool should_quit_if_last_browser =
       browser_shutdown::IsTryingToQuit() || !browser::WillKeepAlive();
 
-  if (should_quit_if_last_browser && BrowserList::size() == 1) {
+  if (should_quit_if_last_browser && BrowserList::size() == 1)
     browser_shutdown::OnShutdownStarting(browser_shutdown::WINDOW_CLOSE);
-    exiting = true;
-  }
 
   // Don't use GetForProfileIfExisting here, we want to force creation of the
   // session service so that user can restore what was open.
@@ -627,7 +623,7 @@ void Browser::OnWindowClosing() {
   content::NotificationService::current()->Notify(
       chrome::NOTIFICATION_BROWSER_CLOSING,
       content::Source<Browser>(this),
-      content::Details<bool>(&exiting));
+      content::NotificationService::NoDetails());
 
   chrome::CloseAllTabs(this);
 }