Aura: Remove overlapping window mode

ash/wm/workspace/workspace_manager_unittest.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 "ash/wm/workspace/workspace_manager.h"
 
 #include "ash/shell.h"
 #include "ash/shell_window_ids.h"
 #include "ash/test/ash_test_base.h"
 #include "ash/wm/activation_controller.h"
@@ skipping 70 matching lines @@
   }
   virtual void TearDown() OVERRIDE {
     manager_ = NULL;
     test::AshTestBase::TearDown();
   }
 
  protected:
   internal::WorkspaceManager* manager_;
 
  private:
-  virtual bool GetOverrideWindowMode(Shell::WindowMode* window_mode) OVERRIDE {
-    *window_mode = Shell::MODE_MANAGED;
-    return true;
-  }
-
   scoped_ptr<internal::ActivationController> activation_controller_;
 
   DISALLOW_COPY_AND_ASSIGN(WorkspaceManagerTest);
 };
 
 // Assertions around adding a normal window.
 TEST_F(WorkspaceManagerTest, AddNormalWindowWhenEmpty) {
   scoped_ptr<Window> w1(CreateTestWindow());
   w1->SetBounds(gfx::Rect(0, 0, 250, 251));
 
@@ skipping 306 matching lines @@
   EXPECT_TRUE(w3->layer()->IsDrawn());
 
   w1->Show();
   EXPECT_TRUE(w1->layer()->IsDrawn());
   EXPECT_FALSE(w2->layer()->IsDrawn());
   EXPECT_FALSE(w3->layer()->IsDrawn());
 }
 
 }  // namespace internal
 }  // namespace ash