2009-06-22 Marek Habersack <mhabersack@novell.com>
* WeakObjectWrapper.cs, WeakObjectWrapperComparer.cs: added - used
by TypeDescriptor for storage of type description providers.
* TypeDescriptor.cs: implemented part of the 2.0+ API which deals
with adding/removing/getting type description providers.
* AttributeCollection.cs: do not throw NREX when attrList is
null in Count.
2009-06-22 Marek Habersack <mhabersack@novell.com>
* TypeDescriptorTests.cs: added tests for 2.0+ APIs which deal
with adding/removing/getting type description providers.
svn path=/trunk/mcs/; revision=136634