Enable user resizing for docked Panels (GTK and Mac).

chrome/browser/ui/panels/panel_browser_view_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 "base/i18n/time_formatting.h"
 #include "base/memory/scoped_ptr.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/browser_window.h"
 #include "chrome/browser/ui/panels/base_panel_browser_test.h"
@@ skipping 182 matching lines @@
       expected_bottom_on_title_only -= bottom_thickness;
 
     // Create and test one panel first.
     Panel* panel1 = CreatePanel("PanelTest1");
     PanelBrowserView* browser_view1 = GetBrowserView(panel1);
     PanelBrowserFrameView* frame_view1 = browser_view1->GetFrameView();
 
     // Test minimizing/restoring an individual panel.
     EXPECT_EQ(Panel::EXPANDED, panel1->expansion_state());
     int initial_height = panel1->GetBounds().height();
-    int titlebar_height = frame_view1->NonClientTopBorderHeight();
 
     panel1->SetExpansionState(Panel::MINIMIZED);
     EXPECT_EQ(Panel::MINIMIZED, panel1->expansion_state());
+
+    int titlebar_height = frame_view1->NonClientTopBorderHeight();
     EXPECT_LT(panel1->GetBounds().height(), titlebar_height);
     EXPECT_GT(panel1->GetBounds().height(), 0);
     EXPECT_EQ(expected_bottom_on_minimized, panel1->GetBounds().bottom());
     WaitTillBoundsAnimationFinished(panel1);
     EXPECT_FALSE(panel1->IsActive());
 
     panel1->SetExpansionState(Panel::TITLE_ONLY);
     EXPECT_EQ(Panel::TITLE_ONLY, panel1->expansion_state());
     EXPECT_EQ(titlebar_height, panel1->GetBounds().height());
     EXPECT_EQ(expected_bottom_on_title_only, panel1->GetBounds().bottom());
@@ skipping 335 matching lines @@
 IN_PROC_BROWSER_TEST_F(PanelBrowserViewTest,
                        MinimizeAndRestoreOnAutoHideTaskBar) {
   TestMinimizeAndRestore(true);
 }
 
 IN_PROC_BROWSER_TEST_F(PanelBrowserViewTest,
                        ChangeAutoHideTaskBarThickness) {
   TestChangeAutoHideTaskBarThickness();
 }
 #endif