Add window states docked; and docked minimized. Add wm window event to set docked and undocked.

ash/wm/dock/docked_window_layout_manager_unittest.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 "ash/wm/dock/docked_window_layout_manager.h"
 
 #include "ash/ash_switches.h"
 #include "ash/root_window_controller.h"
 #include "ash/shelf/shelf.h"
 #include "ash/shelf/shelf_layout_manager.h"
@@ skipping 692 matching lines @@
   // The last two windows should be attached and snapped to the right edge.
   EXPECT_EQ(w2->GetRootWindow()->bounds().right(),
             w2->GetBoundsInScreen().right());
   EXPECT_EQ(kShellWindowId_DockedContainer, w2->parent()->id());
   EXPECT_EQ(w3->GetRootWindow()->bounds().right(),
             w3->GetBoundsInScreen().right());
   EXPECT_EQ(kShellWindowId_DockedContainer, w3->parent()->id());
 
   // The first window should get minimized but parented by the dock container.
   EXPECT_TRUE(wm::GetWindowState(w1.get())->IsMinimized());
-  EXPECT_TRUE(wm::GetWindowState(w2.get())->IsNormalStateType());
-  EXPECT_TRUE(wm::GetWindowState(w3.get())->IsNormalStateType());
+  EXPECT_TRUE(wm::GetWindowState(w1.get())->IsDocked());
+  EXPECT_FALSE(wm::GetWindowState(w2.get())->IsMinimized());
+  EXPECT_TRUE(wm::GetWindowState(w2.get())->IsDocked());
+  EXPECT_FALSE(wm::GetWindowState(w3.get())->IsMinimized());
+  EXPECT_TRUE(wm::GetWindowState(w3.get())->IsDocked());
   EXPECT_EQ(kShellWindowId_DockedContainer, w1->parent()->id());
 }
 
 // Docks up to three windows and tests that they split vertical space.
 TEST_P(DockedWindowLayoutManagerTest, ThreeWindowsSplitHeightEvenly) {
   if (!SupportsHostWindowResize())
     return;
 
   UpdateDisplay("600x1000");
   scoped_ptr<aura::Window> w1(CreateTestWindow(gfx::Rect(0, 0, 201, 201)));
@@ skipping 106 matching lines @@
   EXPECT_EQ(work_area.height(), window->GetBoundsInScreen().height());
 }
 
 // Tests run twice - on both panels and normal windows
 INSTANTIATE_TEST_CASE_P(NormalOrPanel,
                         DockedWindowLayoutManagerTest,
                         testing::Values(ui::wm::WINDOW_TYPE_NORMAL,
                                         ui::wm::WINDOW_TYPE_PANEL));
 
 }  // namespace ash