Beginnings of Window Modality support.

ui/aura_shell/workspace/workspace.cc

 // Copyright (c) 2011 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 "ui/aura_shell/workspace/workspace.h"
 
 #include <algorithm>
 
 #include "base/logging.h"
 #include "ui/aura/client/aura_constants.h"
@@ skipping 221 matching lines @@
 
 int Workspace::GetIndexOf(aura::Window* window) const {
   aura::Window::Windows::const_iterator i =
       std::find(windows_.begin(), windows_.end(), window);
   return i == windows_.end() ? -1 : i - windows_.begin();
 }
 
 bool Workspace::CanAdd(aura::Window* window) const {
   // TODO(oshima): This should be based on available space and the
   // size of the |window|.
-  NOTIMPLEMENTED();
+  //NOTIMPLEMENTED();
   return windows_.size() < g_max_windows_per_workspace;
 }
 
 void Workspace::MoveWindowTo(
     aura::Window* window,
     const gfx::Point& origin,
     bool animate) {
   gfx::Rect bounds = GetLayoutBounds(window);
   gfx::Rect work_area = GetWorkAreaBounds();
   // Make sure the window isn't bigger than the workspace size.
@@ skipping 22 matching lines @@
 
 // static
 size_t Workspace::SetMaxWindowsCount(size_t max) {
   int old = g_max_windows_per_workspace;
   g_max_windows_per_workspace = max;
   return old;
 }
 
 }  // namespace internal
 }  // namespace aura_shell