Expose internal constructors of various Adapter types.

Expose internal constructors of various Adapter types.

In class/System.Web/Test/System.Web.UI.Adapters:

	* PageAdapterTest.cs (MyPage): Derive from SystemWebTestShim.Page.
	(MyPageAdapter): Derive from SystemWebTestShim.PageAdapter.
	(MyPageAdapter.GetPostBAckFormReference): New forwarding method.

In class/System.Web/Test/System.Web.UI.WebControls.Adapters:

	* DataBoundControlAdapterTest.cs: Derive from
	SystemWebTestShim.DataBoundControlAdapter.
	* HideDisabledControlAdapterTest.cs (Render): Use
	SystemWebTestShim.HideDisabledControlAdapter.
	* HierarchicalDataBoundControlAdapterTest.cs: Derive from
	SystemWebTestShim.HierarchicalDataBoundControlAdapter.
	* MenuAdapterTest.cs: Derive from SystemWebTestShim.MenuAdapter.
	* WebControlAdapterTest.cs: Derive from
	SystemWebTestShim.WebControlAdapter.cs.

In class/SystemWebTestShim:

	* SystemWebTestShim.dll.sources: Add Adapters.cs

svn path=/trunk/mcs/; revision=137441