Adds ImmersiveContext and ImmersiveHandlerFactory

ash/wm/immersive_context_ash.h

Index: ash/wm/immersive_context_ash.h
diff --git a/ash/wm/immersive_context_ash.h b/ash/wm/immersive_context_ash.h
new file mode 100644
index 0000000000000000000000000000000000000000..8742fca8a9f3e4b19208164c2c7abcff92df35d8
--- /dev/null
+++ b/ash/wm/immersive_context_ash.h
@@ -0,0 +1,36 @@
+// Copyright 2016 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_WM_IMMERSIVE_CONTEXT_ASH_H_
+#define ASH_WM_IMMERSIVE_CONTEXT_ASH_H_
+
+#include "ash/shared/immersive_context.h"
+#include "base/macros.h"
+
+namespace ash {
+
+class ASH_EXPORT ImmersiveContextAsh : public ImmersiveContext {
+ public:
+  ImmersiveContextAsh();
+  ~ImmersiveContextAsh() override;
+
+  // ImmersiveContext:
+  void InstallResizeHandleWindowTargeter(
+      ImmersiveFullscreenController* controller) override;
+  void OnEnteringOrExitingImmersive(ImmersiveFullscreenController* controller,
+                                    bool entering) override;
+  gfx::Rect GetDisplayBoundsInScreen(views::Widget* widget) override;
+  void AddPointerWatcher(views::PointerWatcher* watcher,
+                         bool wants_moves) override;
+  void RemovePointerWatcher(views::PointerWatcher* watcher) override;
+  bool DoesAnyWindowHaveCapture() override;
+  bool IsMouseEventsEnabled() override;
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(ImmersiveContextAsh);
+};
+
+}  // namespace ash
+
+#endif  // ASH_WM_IMMERSIVE_CONTEXT_ASH_H_