Start the extension event routers for each profile, not just at browser startup.

chrome/browser/extensions/extension_browser_event_router.cc

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/extensions/extension_browser_event_router.h"
 
 #include "base/json/json_writer.h"
 #include "base/values.h"
 #include "chrome/browser/extensions/extension_event_names.h"
 #include "chrome/browser/extensions/extension_event_router.h"
@@ skipping 97 matching lines @@
 ExtensionBrowserEventRouter::~ExtensionBrowserEventRouter() {
   BrowserList::RemoveObserver(this);
 #if defined(TOOLKIT_VIEWS)
   views::FocusManager::GetWidgetFocusManager()->RemoveFocusChangeListener(this);
 #elif defined(TOOLKIT_GTK)
   ui::ActiveWindowWatcherX::RemoveObserver(this);
 #endif
 }
 
 void ExtensionBrowserEventRouter::OnBrowserAdded(const Browser* browser) {
-  if (!profile_->IsSameProfile(browser->profile()))
-    return;
   RegisterForBrowserNotifications(browser);
 }
 
 void ExtensionBrowserEventRouter::RegisterForBrowserNotifications(
     const Browser* browser) {
+  if (!profile_->IsSameProfile(browser->profile()))
+    return;
   // Start listening to TabStripModel events for this browser.
   browser->tabstrip_model()->AddObserver(this);
 
   // If this is a new window, it isn't ready at this point, so we register to be
   // notified when it is. If this is an existing window, this is a no-op that we
   // just do to reduce code complexity.
   registrar_.Add(this, chrome::NOTIFICATION_BROWSER_WINDOW_READY,
       Source<const Browser>(browser));
 
   for (int i = 0; i < browser->tabstrip_model()->count(); ++i)
@@ skipping 453 matching lines @@
 
 void ExtensionBrowserEventRouter::BrowserActionExecuted(
     Profile* profile, const std::string& extension_id, Browser* browser) {
   TabContentsWrapper* tab_contents = NULL;
   int tab_id = 0;
   if (!ExtensionTabUtil::GetDefaultTab(browser, &tab_contents, &tab_id))
     return;
   DispatchEventWithTab(profile, extension_id, "browserAction.onClicked",
                        tab_contents->tab_contents(), true);
 }