[DevTools] Move DevToolsWindow testing code to a separate class.

chrome/browser/ui/cocoa/dev_tools_controller_browsertest.mm

 // Copyright 2013 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 "chrome/browser/ui/cocoa/dev_tools_controller.h"
 
 #include "chrome/browser/devtools/devtools_window.h"
+#include "chrome/browser/devtools/devtools_window_testing.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_list.h"
 #include "chrome/browser/ui/browser_window.h"
 #include "chrome/browser/ui/cocoa/browser_window_controller.h"
 #include "chrome/browser/ui/find_bar/find_bar.h"
 #include "chrome/browser/ui/find_bar/find_bar_controller.h"
 #include "chrome/common/url_constants.h"
 #include "chrome/test/base/in_process_browser_test.h"
 #include "content/public/browser/notification_types.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/test/test_utils.h"
 
 class DevToolsControllerTest : public InProcessBrowserTest {
  public:
   DevToolsControllerTest() : InProcessBrowserTest(), devtools_window_(NULL) {}
 
  protected:
   void OpenDevToolsWindow() {
     devtools_window_ =
-        DevToolsWindow::OpenDevToolsWindowForTest(browser(), true);
+        DevToolsWindowTesting::OpenDevToolsWindowSync(browser(), true);
   }
 
   void CloseDevToolsWindow() {
-    content::WindowedNotificationObserver close_observer(
-        content::NOTIFICATION_WEB_CONTENTS_DESTROYED,
-        content::Source<content::WebContents>(
-            devtools_window_->web_contents_for_test()));
-    DevToolsWindow::ToggleDevToolsWindow(
-        browser(), DevToolsToggleAction::Toggle());
-    close_observer.Wait();
+    DevToolsWindowTesting::CloseDevToolsWindowSync(devtools_window_);
   }
 
   content::WebContents* web_contents() {
     return browser()->tab_strip_model()->GetActiveWebContents();
   }
 
   content::WebContents* devtools_web_contents() {
     return DevToolsWindow::GetInTabWebContents(web_contents(), NULL);
   }
 
@@ skipping 23 matching lines @@
 IN_PROC_BROWSER_TEST_F(DevToolsControllerTest, AllowOtherViews) {
   EXPECT_FALSE(web_contents()->GetAllowOtherViews());
 
   OpenDevToolsWindow();
   EXPECT_TRUE(devtools_web_contents()->GetAllowOtherViews());
   EXPECT_TRUE(web_contents()->GetAllowOtherViews());
 
   CloseDevToolsWindow();
   EXPECT_FALSE(web_contents()->GetAllowOtherViews());
 }