content: Move all listeners of NOTIFICATION_RENDER_VIEW_HOST_CREATED out of content.

chrome/browser/ui/browser_browsertest.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.
 
 #include <string>
 
 #include "base/bind.h"
 #include "base/compiler_specific.h"
 #include "base/files/file_path.h"
 #include "base/prefs/pref_service.h"
@@ skipping 1912 matching lines @@
         browser->tab_strip_model()->GetActiveWebContents();
     EXPECT_EQ(url, web_contents->GetURL());
 
     if (disposition == CURRENT_TAB) {
       content::WebContents* web_contents =
           browser->tab_strip_model()->GetActiveWebContents();
       NavigationController* controller =
           web_contents ? &web_contents->GetController() : NULL;
       content::TestNavigationObserver same_tab_observer(
           content::Source<NavigationController>(controller),
-          NULL,
           1);
       SimulateMouseClick(web_contents, modifiers, button);
       base::RunLoop run_loop;
       same_tab_observer.WaitForObservation(
           base::Bind(&content::RunThisRunLoop, base::Unretained(&run_loop)),
           content::GetQuitTaskForRunLoop(&run_loop));
       EXPECT_EQ(1u, chrome::GetBrowserCount(browser->profile(),
                                             browser->host_desktop_type()));
       EXPECT_EQ(1, browser->tab_strip_model()->count());
       EXPECT_EQ(getSecondPageTitle(), web_contents->GetTitle());
@@ skipping 159 matching lines @@
   RunTest(browser(), GetHrefURL(), modifiers, button, disposition);
 }
 
 // Shift-middle-clicks open in a foreground tab.
 IN_PROC_BROWSER_TEST_F(ClickModifierTest, HrefShiftMiddleClickTest) {
   int modifiers = WebKit::WebInputEvent::ShiftKey;
   WebKit::WebMouseEvent::Button button = WebKit::WebMouseEvent::ButtonMiddle;
   WindowOpenDisposition disposition = NEW_FOREGROUND_TAB;
   RunTest(browser(), GetHrefURL(), modifiers, button, disposition);
 }