Revert 148281 - Remove details from BROWSER_CLOSING and BROWSER_CLOSED notifications.

chrome/browser/ui/browser_list_impl.cc

Index: chrome/browser/ui/browser_list_impl.cc
===================================================================
--- chrome/browser/ui/browser_list_impl.cc	(revision 148288)
+++ chrome/browser/ui/browser_list_impl.cc	(working copy)
@@ -70,10 +70,28 @@
 void BrowserListImpl::RemoveBrowser(Browser* browser) {
   RemoveBrowserFrom(browser, &last_active_browsers_);
 
+  // Many UI tests rely on closing the last browser window quitting the
+  // application.
+  // Mac: Closing all windows does not indicate quitting the application. Lie
+  // for now and ignore behavior outside of unit tests.
+  // ChromeOS: Force closing last window to close app with flag.
+  // TODO(andybons | pkotwicz): Fix the UI tests to Do The Right Thing.
+#if defined(OS_CHROMEOS)
+  bool closing_app;
+  if (CommandLine::ForCurrentProcess()->HasSwitch(
+      switches::kDisableZeroBrowsersOpenForTests))
+    closing_app = (browsers_.size() == 1);
+  else
+    closing_app = (browsers_.size() == 1 &&
+        browser_shutdown::IsTryingToQuit());
+#else
+  bool closing_app = (browsers_.size() == 1);
+#endif  // OS_CHROMEOS
+
   content::NotificationService::current()->Notify(
       chrome::NOTIFICATION_BROWSER_CLOSED,
       content::Source<Browser>(browser),
-      content::NotificationService::NoDetails());
+      content::Details<bool>(&closing_app));
 
   RemoveBrowserFrom(browser, &browsers_);