[Ozone-GBM] Adding NativeWindowDelegate to IPC window changes to the GPU

ui/ozone/platform/dri/dri_window_manager.h

Index: ui/ozone/platform/dri/dri_window_manager.h
diff --git a/ui/ozone/platform/dri/dri_window_manager.h b/ui/ozone/platform/dri/dri_window_manager.h
new file mode 100644
index 0000000000000000000000000000000000000000..0cf871815b2856d9077888375bbbd4f36237821e
--- /dev/null
+++ b/ui/ozone/platform/dri/dri_window_manager.h
@@ -0,0 +1,51 @@
+// 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 UI_OZONE_PLATFORM_DRI_DRI_WINDOW_MANAGER_H_
+#define UI_OZONE_PLATFORM_DRI_DRI_WINDOW_MANAGER_H_
+
+#include <map>
+
+#include "ui/gfx/native_widget_types.h"
+
+namespace ui {
+
+class DriWindowDelegate;
+
+class DriWindowManager {
+ public:
+  DriWindowManager();
+  ~DriWindowManager();
+
+  gfx::AcceleratedWidget NextAcceleratedWidget();
+
+  // Adds a delegate for |widget|. Note: |widget| should not be associated with
+  // a delegate when calling this function.
+  void AddWindowDelegate(gfx::AcceleratedWidget widget,
+                         DriWindowDelegate* surface);
+
+  // Removes the delegate for |widget|. Note: |widget| must have a delegate
+  // associated with it when calling this function.
+  void RemoveWindowDelegate(gfx::AcceleratedWidget widget);
+
+  // Returns the delegate associated with |widget|. Note: This function should
+  // be called only if a valid delegate has been associated with |widget|.
+  DriWindowDelegate* GetWindowDelegate(gfx::AcceleratedWidget widget);
+
+  // Check if |widget| has a valid delegate associated with it.
+  bool HasWindowDelegate(gfx::AcceleratedWidget widget);
+
+ private:
+  typedef std::map<gfx::AcceleratedWidget, DriWindowDelegate*>
+      WidgetToDelegateMap;
+
+  WidgetToDelegateMap delegate_map_;
+  gfx::AcceleratedWidget last_allocated_widget_;
+
+  DISALLOW_COPY_AND_ASSIGN(DriWindowManager);
+};
+
+}  // namespace ui
+
+#endif  // UI_OZONE_PLATFORM_DRI_DRI_WINDOW_MANAGER_H_