Delete the ViewManager and WindowManager services.

mojo/services/view_manager/cpp/view_tracker.cc

Index: mojo/services/view_manager/cpp/view_tracker.cc
diff --git a/mojo/services/view_manager/cpp/view_tracker.cc b/mojo/services/view_manager/cpp/view_tracker.cc
deleted file mode 100644
index 35ab3d47670a5ce6ce19d80bad998bfbdc07ffc7..0000000000000000000000000000000000000000
--- a/mojo/services/view_manager/cpp/view_tracker.cc
+++ /dev/null
@@ -1,40 +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.
-
-#include "view_manager/cpp/view_tracker.h"
-
-namespace mojo {
-
-ViewTracker::ViewTracker() {}
-
-ViewTracker::~ViewTracker() {
-  for (Views::iterator i = views_.begin(); i != views_.end(); ++i)
-    (*i)->RemoveObserver(this);
-}
-
-void ViewTracker::Add(View* view) {
-  if (views_.count(view))
-    return;
-
-  view->AddObserver(this);
-  views_.insert(view);
-}
-
-void ViewTracker::Remove(View* view) {
-  if (views_.count(view)) {
-    views_.erase(view);
-    view->RemoveObserver(this);
-  }
-}
-
-bool ViewTracker::Contains(View* view) {
-  return views_.count(view) > 0;
-}
-
-void ViewTracker::OnViewDestroying(View* view) {
-  DCHECK_GT(views_.count(view), 0u);
-  Remove(view);
-}
-
-}  // namespace mojo