Separate BrowserWindow from Panel class.

chrome/browser/ui/panels/panel_browser_window_cocoa_unittest.mm

 // 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.
 
 #import "chrome/browser/ui/panels/panel_browser_window_cocoa.h"
 
 #include <Carbon/Carbon.h>
 #import <Cocoa/Cocoa.h>
 
 #include "base/command_line.h"
 #include "base/debug/debugger.h"
 #include "base/mac/scoped_nsautorelease_pool.h"
 #include "base/memory/scoped_ptr.h"
 #include "chrome/app/chrome_command_ids.h"  // IDC_*
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_list.h"
 #import "chrome/browser/ui/cocoa/browser_window_utils.h"
 #include "chrome/browser/ui/cocoa/cocoa_profile_test.h"
 #import "chrome/browser/ui/cocoa/run_loop_testing.h"
 #include "chrome/browser/ui/panels/panel.h"
+#include "chrome/browser/ui/panels/panel_browser_window.h"
 #include "chrome/browser/ui/panels/panel_manager.h"
 #import "chrome/browser/ui/panels/panel_titlebar_view_cocoa.h"
 #import "chrome/browser/ui/panels/panel_window_controller_cocoa.h"
 #include "chrome/common/chrome_notification_types.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/test/base/ui_test_utils.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "testing/gtest_mac.h"
 
 class PanelAnimatedBoundsObserver :
@@ skipping 21 matching lines @@
     base::mac::ScopedNSAutoreleasePool autorelease_pool;
 
     PanelManager* manager = PanelManager::GetInstance();
     int panels_count = manager->num_panels();
 
     Browser* panel_browser = Browser::CreateWithParams(
         Browser::CreateParams::CreateForApp(
             Browser::TYPE_PANEL, panel_name, gfx::Rect(), profile()));
     EXPECT_EQ(panels_count + 1, manager->num_panels());
 
-    Panel* panel = static_cast<Panel*>(panel_browser->window());
+    PanelBrowserWindow* panel_browser_window =
+        static_cast<PanelBrowserWindow*>(panel_browser->window());
+    Panel* panel = panel_browser_window->panel();
     EXPECT_TRUE(panel);
     EXPECT_TRUE(panel->native_panel());  // Native panel is created right away.
     PanelBrowserWindowCocoa* native_window =
         static_cast<PanelBrowserWindowCocoa*>(panel->native_panel());
     EXPECT_EQ(panel, native_window->panel_);  // Back pointer initialized.
 
     PanelAnimatedBoundsObserver bounds_observer(panel);
 
     // Window should not load before Show().
     // Note: Loading the wnidow causes Cocoa to autorelease a few objects.
@@ skipping 331 matching lines @@
   NSWindow* frontmostWindow = [[NSApp orderedWindows] objectAtIndex:0];
   EXPECT_NSEQ(frontmostWindow, [native_window->controller_ window]);
 
   native_window2->ActivatePanel();
   frontmostWindow = [[NSApp orderedWindows] objectAtIndex:0];
   EXPECT_NSEQ(frontmostWindow, [native_window2->controller_ window]);
 
   ClosePanelAndWait(panel->browser());
   ClosePanelAndWait(panel2->browser());
 }