Make ExtensionBrowserEventRouter owned by ExtensionService....

chrome/browser/ui/cocoa/extensions/browser_actions_controller.mm

 // Copyright (c) 2010 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.
 
 #import "browser_actions_controller.h"
 
 #include <cmath>
 #include <string>
 
 #include "app/mac/nsimage_cache.h"
@@ skipping 723 matching lines @@
       [popup close];
       return;
     }
     NSPoint arrowPoint = [self popupPointForBrowserAction:[button extension]];
     [ExtensionPopupController showURL:popupUrl
                             inBrowser:browser_
                            anchoredAt:arrowPoint
                         arrowLocation:info_bubble::kTopRight
                               devMode:NO];
   } else {
-    ExtensionBrowserEventRouter::GetInstance()->BrowserActionExecuted(
+    ExtensionService* service = profile_->GetExtensionService();
+    service->browser_event_router()->BrowserActionExecuted(
        profile_, action->extension_id(), browser_);
   }
 }
 
 - (BOOL)shouldDisplayBrowserAction:(const Extension*)extension {
   // Only display incognito-enabled extensions while in incognito mode.
   return (!profile_->IsOffTheRecord() ||
           profile_->GetExtensionService()->IsIncognitoEnabled(extension));
 }
 
@@ skipping 102 matching lines @@
   if (profile_->IsOffTheRecord())
     index = toolbarModel_->IncognitoIndexToOriginal(index);
   if (index < toolbarModel_->size()) {
     const Extension* extension = toolbarModel_->GetExtensionByIndex(index);
     return [buttons_ objectForKey:base::SysUTF8ToNSString(extension->id())];
   }
   return nil;
 }
 
 @end