Use Widget frame and WidgetDelegate in ActvityWidget

athena/activity/activity_frame_view.h

Index: athena/activity/activity_frame_view.h
diff --git a/athena/activity/activity_frame_view.h b/athena/activity/activity_frame_view.h
new file mode 100644
index 0000000000000000000000000000000000000000..82e300468cefec9f4906bb16bbe558f5b4bb3c87
--- /dev/null
+++ b/athena/activity/activity_frame_view.h
@@ -0,0 +1,58 @@
+// Copyright (c) 2012 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 ATHENA_ACTIVITY_ACTIVITY_FRAME_VIEW_H_
+#define ATHENA_ACTIVITY_ACTIVITY_FRAME_VIEW_H_
+
+#include "base/memory/scoped_ptr.h"
+#include "ui/views/window/non_client_view.h"
+
+namespace views {
+class Label;
+class Widget;
+}
+
+namespace athena {
+
+class ActivityViewModel;
+
+// A NonClientFrameView used for activity.
+class ActivityFrameView : public views::NonClientFrameView {
+ public:
+  // Internal class name.
+  static const char kViewClassName[];
+
+  ActivityFrameView(views::Widget* frame, ActivityViewModel* view_model);
+  virtual ~ActivityFrameView();
+
+  // views::NonClientFrameView overrides:
+  virtual gfx::Rect GetBoundsForClientView() const OVERRIDE;
+  virtual gfx::Rect GetWindowBoundsForClientBounds(
+      const gfx::Rect& client_bounds) const OVERRIDE;
+  virtual int NonClientHitTest(const gfx::Point& point) OVERRIDE;
+  virtual void GetWindowMask(const gfx::Size& size,
+                             gfx::Path* window_mask) OVERRIDE;
+  virtual void ResetWindowControls() OVERRIDE;
+  virtual void UpdateWindowIcon() OVERRIDE;
+  virtual void UpdateWindowTitle() OVERRIDE;
+
+  // views::View overrides:
+  virtual gfx::Size GetPreferredSize() const OVERRIDE;
+  virtual const char* GetClassName() const OVERRIDE;
+  virtual void Layout() OVERRIDE;
+
+ private:
+  int NonClientTopBorderHeight() const;
+
+  // Not owned.
+  views::Widget* frame_;
+  ActivityViewModel* view_model_;
+  views::Label* title_;
+
+  DISALLOW_COPY_AND_ASSIGN(ActivityFrameView);
+};
+
+}  // namespace athena
+
+#endif  // ATHENA_ACTIVITY_ACTIVITY_FRAME_VIEW_H_