Implement new Task Manager and Edit Bookmark style, etc.

ui/views/window/dialog_delegate.h

Index: ui/views/window/dialog_delegate.h
diff --git a/ui/views/window/dialog_delegate.h b/ui/views/window/dialog_delegate.h
index 67eb954b34678c3e21ddc76e2f8fd66fd51575f0..01ef5eb48c183be40fb2157dab03cc6ceb8b37a7 100644
--- a/ui/views/window/dialog_delegate.h
+++ b/ui/views/window/dialog_delegate.h
@@ -119,6 +119,11 @@ class VIEWS_EXPORT DialogDelegateView : public DialogDelegate,
   DialogDelegateView();
   virtual ~DialogDelegateView();
 
+  // Create a |dialog| window Widget with the specified |context| or |parent|.
+  static Widget* CreateDialogWidget(DialogDelegateView* dialog,
+                                    gfx::NativeWindow context,
+                                    gfx::NativeWindow parent);
+
   // Overridden from DialogDelegate:
   virtual Widget* GetWidget() OVERRIDE;
   virtual const Widget* GetWidget() const OVERRIDE;