Support dragging panels to stack and snap.

chrome/browser/ui/panels/base_panel_browser_test.h

 // 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.
 
 #ifndef CHROME_BROWSER_UI_PANELS_BASE_PANEL_BROWSER_TEST_H_
 #define CHROME_BROWSER_UI_PANELS_BASE_PANEL_BROWSER_TEST_H_
 
 #include "base/values.h"
 #include "base/memory/ref_counted.h"
 #include "chrome/browser/ui/panels/display_settings_provider.h"
 #include "chrome/browser/ui/panels/panel.h"
 #include "chrome/browser/ui/panels/panel_manager.h"
 #include "chrome/common/extensions/extension.h"
 #include "chrome/test/base/in_process_browser_test.h"
 #include "ui/gfx/rect.h"
 
 class NativePanelTesting;
+class StackedPanelCollection;
 
 class BasePanelBrowserTest : public InProcessBrowserTest {
  public:
   class MockDisplaySettingsProvider : public DisplaySettingsProvider {
    public:
     MockDisplaySettingsProvider() { }
     virtual ~MockDisplaySettingsProvider() { }
 
     virtual void SetPrimaryScreenArea(const gfx::Rect& primary_screen_area) = 0;
     virtual void SetWorkArea(const gfx::Rect& work_area) = 0;
@@ skipping 42 matching lines @@
                       ActiveState show_flag);
   };
 
   Panel* CreatePanelWithParams(const CreatePanelParams& params);
   Panel* CreatePanelWithBounds(const std::string& panel_name,
                                const gfx::Rect& bounds);
   Panel* CreatePanel(const std::string& panel_name);
 
   Panel* CreateDockedPanel(const std::string& name, const gfx::Rect& bounds);
   Panel* CreateDetachedPanel(const std::string& name, const gfx::Rect& bounds);
+  Panel* CreateStackedPanel(const std::string& name,
+                            const gfx::Rect& bounds,
+                            StackedPanelCollection* stack);
 
   static NativePanelTesting* CreateNativePanelTesting(Panel* panel);
 
   void WaitForPanelActiveState(Panel* panel, ActiveState state);
   void WaitForWindowSizeAvailable(Panel* panel);
   void WaitForBoundsAnimationFinished(Panel* panel);
 
   scoped_refptr<extensions::Extension> CreateExtension(
       const FilePath::StringType& path,
       extensions::Extension::Location location,
@@ skipping 22 matching lines @@
   static const FilePath::CharType* kTestDir;
 
  private:
   // Passed to and owned by PanelManager.
   MockDisplaySettingsProvider* mock_display_settings_provider_;
 
   bool mock_display_settings_enabled_;
 };
 
 #endif  // CHROME_BROWSER_UI_PANELS_BASE_PANEL_BROWSER_TEST_H_