mus: Remove the old client lib.

services/ui/public/cpp/window_observer.h

Index: services/ui/public/cpp/window_observer.h
diff --git a/services/ui/public/cpp/window_observer.h b/services/ui/public/cpp/window_observer.h
deleted file mode 100644
index 5ced2087ed1caf22702bf54d4b668924241853ae..0000000000000000000000000000000000000000
--- a/services/ui/public/cpp/window_observer.h
+++ /dev/null
@@ -1,135 +0,0 @@
-// Copyright 2014 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 SERVICES_UI_PUBLIC_CPP_WINDOW_OBSERVER_H_
-#define SERVICES_UI_PUBLIC_CPP_WINDOW_OBSERVER_H_
-
-#include <stdint.h>
-
-#include <vector>
-
-#include "services/ui/public/cpp/window.h"
-
-namespace ui {
-
-class Window;
-
-// A note on -ing and -ed suffixes:
-//
-// -ing methods are called before changes are applied to the local window model.
-// -ed methods are called after changes are applied to the local window model.
-//
-// If the change originated from another connection to the window manager, it's
-// possible that the change has already been applied to the service-side model
-// prior to being called, so for example in the case of OnWindowDestroying(),
-// it's possible the window has already been destroyed on the service side.
-
-class WindowObserver {
- public:
-  struct TreeChangeParams {
-    TreeChangeParams();
-    // The window whose parent changed or is changing.
-    Window* target;
-    Window* old_parent;
-    Window* new_parent;
-
-    // TreeChangeParams is supplied as an argument to various WindowObserver
-    // functions. |receiver| is the window being observed by the receipient of
-    // this notification, which may equal any of the struct members above.
-    // TODO(sky): move this outside of TreeChangeParams.
-    Window* receiver;
-  };
-
-  virtual void OnTreeChanging(const TreeChangeParams& params) {}
-  virtual void OnTreeChanged(const TreeChangeParams& params) {}
-
-  virtual void OnWindowReordering(Window* window,
-                                  Window* relative_window,
-                                  mojom::OrderDirection direction) {}
-  virtual void OnWindowReordered(Window* window,
-                                 Window* relative_window,
-                                 mojom::OrderDirection direction) {}
-
-  virtual void OnWindowDestroying(Window* window) {}
-  virtual void OnWindowDestroyed(Window* window) {}
-
-  virtual void OnWindowBoundsChanging(Window* window,
-                                      const gfx::Rect& old_bounds,
-                                      const gfx::Rect& new_bounds) {}
-  virtual void OnWindowBoundsChanged(Window* window,
-                                     const gfx::Rect& old_bounds,
-                                     const gfx::Rect& new_bounds) {}
-  virtual void OnWindowLostCapture(Window* window) {}
-  virtual void OnWindowClientAreaChanged(
-      Window* window,
-      const gfx::Insets& old_client_area,
-      const std::vector<gfx::Rect>& old_additional_client_areas) {}
-
-  virtual void OnWindowFocusChanged(Window* gained_focus, Window* lost_focus) {}
-
-  virtual void OnWindowPredefinedCursorChanged(Window* window,
-                                               mojom::Cursor cursor) {}
-
-  // Changing the visibility of a window results in the following sequence of
-  // functions being called:
-  // . OnWindowVisibilityChanging(): called on observers added to the window
-  //    whose visibility is changing. This is called before the visibility has
-  //    changed internally.
-  // The following are called after the visibility changes:
-  // . OnChildWindowVisibilityChanged(): called on observers added to the
-  //   parent of the window whose visibility changed. This function is generally
-  //   intended for layout managers that need to do processing before
-  //   OnWindowVisibilityChanged() is called on observers of the window.
-  // . OnWindowVisibilityChanged(): called on observers added to the window
-  //   whose visibility changed, as well as observers added to all ancestors and
-  //   all descendants of the window.
-  virtual void OnWindowVisibilityChanging(Window* window, bool visible) {}
-  virtual void OnChildWindowVisibilityChanged(Window* window, bool visible) {}
-  virtual void OnWindowVisibilityChanged(Window* window, bool visible) {}
-
-  virtual void OnWindowOpacityChanged(Window* window,
-                                      float old_opacity,
-                                      float new_opacity) {}
-
-  // Invoked when this Window's shared properties have changed. This can either
-  // be caused by SetSharedProperty() being called locally, or by us receiving
-  // a mojo message that this property has changed. If this property has been
-  // added, |old_data| is null. If this property was removed, |new_data| is
-  // null.
-  virtual void OnWindowSharedPropertyChanged(
-      Window* window,
-      const std::string& name,
-      const std::vector<uint8_t>* old_data,
-      const std::vector<uint8_t>* new_data) {}
-
-  // Invoked when SetProperty() or ClearProperty() is called on the window.
-  // |key| is either a WindowProperty<T>* (SetProperty, ClearProperty). Either
-  // way, it can simply be compared for equality with the property
-  // constant. |old| is the old property value, which must be cast to the
-  // appropriate type before use.
-  virtual void OnWindowLocalPropertyChanged(Window* window,
-                                            const void* key,
-                                            intptr_t old) {}
-
-  virtual void OnWindowEmbeddedAppDisconnected(Window* window) {}
-
-  // Sent when the drawn state changes. This is only sent for the root nodes
-  // when embedded.
-  virtual void OnWindowDrawnChanging(Window* window) {}
-  virtual void OnWindowDrawnChanged(Window* window) {}
-
-  virtual void OnTransientChildAdded(Window* window, Window* transient) {}
-  virtual void OnTransientChildRemoved(Window* window, Window* transient) {}
-
-  // The WindowManager has requested the window to close. If the observer
-  // allows the close it should destroy the window as appropriate.
-  virtual void OnRequestClose(Window* window) {}
-
- protected:
-  virtual ~WindowObserver() {}
-};
-
-}  // namespace ui
-
-#endif  // SERVICES_UI_PUBLIC_CPP_WINDOW_OBSERVER_H_