Switch to doing user-resizing via system for panels on Mac

chrome/browser/ui/panels/stacked_panel_browsertest.cc

 // Copyright (c) 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.
 
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/panels/base_panel_browser_test.h"
 #include "chrome/browser/ui/panels/detached_panel_collection.h"
 #include "chrome/browser/ui/panels/docked_panel_collection.h"
 #include "chrome/browser/ui/panels/native_panel.h"
 #include "chrome/browser/ui/panels/panel.h"
@@ skipping 1236 matching lines @@
   EXPECT_EQ(PanelCollection::DETACHED, panel3->collection()->type());
 
   panel3_expected_bounds.set_y(panel2_expected_bounds.y());
   EXPECT_EQ(panel3_expected_bounds, panel3->GetBounds());
 
   panel_manager->CloseAll();
 }
 
 // Skip the test since active state might not be fully supported for some window
 // managers.
-#if defined(TOOLKIT_GTK)
+#if defined(TOOLKIT_GTK) || defined(OS_MACOSX)
 #define MAYBE_FocusNextPanelOnPanelClose DISABLED_FocusNextPanelOnPanelClose
 #else
 #define MAYBE_FocusNextPanelOnPanelClose FocusNextPanelOnPanelClose
 #endif
 IN_PROC_BROWSER_TEST_F(StackedPanelBrowserTest,
                        MAYBE_FocusNextPanelOnPanelClose) {
   PanelManager* panel_manager = PanelManager::GetInstance();
 
   // Create 3 stacked panels.
   StackedPanelCollection* stack = panel_manager->CreateStack();
@@ skipping 178 matching lines @@
   EXPECT_EQ(bounds3.bottom(), bounds4.y());
 
   gfx::Rect bounds5 = panel5->GetBounds();
   EXPECT_EQ(bounds4.x(), bounds5.x());
   EXPECT_EQ(bounds4.width(), bounds5.width());
   EXPECT_EQ(bounds4.bottom(), bounds5.y());
   EXPECT_LE(bounds5.bottom(), primary_work_area.bottom());
 
   panel_manager->CloseAll();
 }