Reunite PanelStrip::AddPanel and its internals.

chrome/browser/ui/panels/panel_browsertest.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 "base/bind.h"
 #include "base/string_number_conversions.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/download/download_service.h"
 #include "chrome/browser/download/download_service_factory.h"
@@ skipping 1836 matching lines @@
   const BalloonCollection::Balloons& balloons() const {
     return balloons_->GetActiveBalloons();
   }
 
  private:
   BalloonCollectionImpl* balloons_;  // Owned by NotificationUIManager.
   scoped_ptr<NotificationUIManager> ui_manager_;
   scoped_ptr<DesktopNotificationService> service_;
 };
 
-IN_PROC_BROWSER_TEST_F(PanelAndNotificationTest, DISABLED_NoOverlapping) {
+IN_PROC_BROWSER_TEST_F(PanelAndNotificationTest, NoOverlapping) {
   const int kPanelWidth = 200;
   const int kShortPanelHeight = 150;
   const int kTallPanelHeight = 200;
 
   content::ShowDesktopNotificationHostMsgParams params =
       StandardTestNotification();
   EXPECT_TRUE(service()->ShowDesktopNotification(
         params, 0, 0, DesktopNotificationService::PageNotification));
   MessageLoopForUI::current()->RunAllPending();
   Balloon* balloon = balloons().front();
@@ skipping 70 matching lines @@
   // position when tall panel brings up its titlebar.
   CloseWindowAndWait(panel1->browser());
   EXPECT_EQ(balloon_bottom_after_tall_panel_titlebar_up,
             GetBalloonBottomPosition(balloon));
 
   // Closing the remaining tall panel should move the notification balloon back
   // to its original position.
   CloseWindowAndWait(panel2->browser());
   EXPECT_EQ(original_balloon_bottom, GetBalloonBottomPosition(balloon));
 }