Remove GetExtensionEventRouter from Profile.

chrome/browser/extensions/api/web_navigation/web_navigation_api_helpers.cc

 // Copyright (c) 2012 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.
 
 // Implements the Chrome Extensions WebNavigation API.
 
 #include "chrome/browser/extensions/api/web_navigation/web_navigation_api_helpers.h"
 
 #include "base/json/json_writer.h"
 #include "base/string_number_conversions.h"
 #include "base/time.h"
 #include "base/values.h"
 #include "chrome/browser/extensions/api/web_navigation/web_navigation_api_constants.h"
 #include "chrome/browser/extensions/event_router.h"
+#include "chrome/browser/extensions/extension_system.h"
 #include "chrome/browser/extensions/extension_tab_util.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/common/extensions/event_filtering_info.h"
 #include "content/public/browser/render_process_host.h"
 #include "content/public/browser/render_view_host.h"
 #include "content/public/browser/web_contents.h"
 #include "net/base/net_errors.h"
 
 namespace extensions {
 
@@ skipping 10 matching lines @@
 
 // Dispatches events to the extension message service.
 void DispatchEvent(content::BrowserContext* browser_context,
                    const char* event_name,
                    scoped_ptr<ListValue> args,
                    const GURL& url) {
   EventFilteringInfo info;
   info.SetURL(url);
 
   Profile* profile = Profile::FromBrowserContext(browser_context);
-  if (profile && profile->GetExtensionEventRouter()) {
-    profile->GetExtensionEventRouter()->DispatchEventToRenderers(
-        event_name, args.Pass(), profile, GURL(), info);
+  if (profile && extensions::ExtensionSystem::Get(profile)->event_router()) {
+    extensions::ExtensionSystem::Get(profile)->event_router()->
+        DispatchEventToRenderers(event_name, args.Pass(), profile, GURL(),
+                                 info);
   }
 }
 
 }  // namespace
 
 int GetFrameId(bool is_main_frame, int64 frame_id) {
   return is_main_frame ? 0 : static_cast<int>(frame_id);
 }
 
 // Constructs and dispatches an onBeforeNavigate event.
@@ skipping 165 matching lines @@
                    ExtensionTabUtil::GetTabId(new_web_contents));
   dict->SetDouble(keys::kTimeStampKey, MilliSecondsFromTime(base::Time::Now()));
   args->Append(dict);
 
   DispatchEvent(browser_context, keys::kOnTabReplaced, args.Pass(), GURL());
 }
 
 }  // namespace web_navigation_api_helpers
 
 }  // namespace extensions