Show overview mode button in TouchView with open modal window

ash/test/ash_test_base.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 ASH_TEST_ASH_TEST_BASE_H_
 #define ASH_TEST_ASH_TEST_BASE_H_
 
 #include <string>
 
 #include "base/compiler_specific.h"
@@ skipping 50 matching lines @@
   // See ash::test::DisplayManagerTestApi::UpdateDisplay for more details.
   void UpdateDisplay(const std::string& display_specs);
 
   // Returns a root Window. Usually this is the active root Window, but that
   // method can return NULL sometimes, and in those cases, we fall back on the
   // primary root Window.
   aura::Window* CurrentContext();
 
   // Versions of the functions in aura::test:: that go through our shell
   // StackingController instead of taking a parent.
+  // TODO(tdanderson): Consider cleanup opportunities related to creation of
+  //                   test windows in aura and ash. See crbug.com/483503.
   aura::Window* CreateTestWindowInShellWithId(int id);
   aura::Window* CreateTestWindowInShellWithBounds(const gfx::Rect& bounds);
   aura::Window* CreateTestWindowInShell(SkColor color,
                                         int id,
                                         const gfx::Rect& bounds);
   aura::Window* CreateTestWindowInShellWithDelegate(
       aura::WindowDelegate* delegate,
       int id,
       const gfx::Rect& bounds);
   aura::Window* CreateTestWindowInShellWithDelegateAndType(
       aura::WindowDelegate* delegate,
       ui::wm::WindowType type,
       int id,
       const gfx::Rect& bounds);
+  aura::Window* CreateTestModalWindowInShellWithBounds(const gfx::Rect& bounds);
+  aura::Window* CreateTestModalWindowInShellWithDelegateAndType(
+      aura::WindowDelegate* delegate,
+      ui::wm::WindowType type,
+      int id,
+      const gfx::Rect& bounds);
 
   // Attach |window| to the current shell's root window.
   void ParentWindowInPrimaryRootWindow(aura::Window* window);
 
   // Returns the EventGenerator that uses screen coordinates and works
   // across multiple displays. It createse a new generator if it
   // hasn't been created yet.
   ui::test::EventGenerator& GetEventGenerator();
 
  protected:
@@ skipping 70 matching lines @@
   ~NoSessionAshTestBase() override {}
 
  private:
   DISALLOW_COPY_AND_ASSIGN(NoSessionAshTestBase);
 };
 
 }  // namespace test
 }  // namespace ash
 
 #endif  // ASH_TEST_ASH_TEST_BASE_H_