Bug 446965 - EditorInputPropertyTester called for IEditorPart with
IEditorInput set

Change-Id: I485dbb54aa7d3cf0761ade94a2415fbcec2c3bce
Signed-off-by: Lars Vogel <Lars.Vogel@vogella.com>
Bug 449546 - [responsiveness] No error logged when UI froze during
opening type hierarchy on java.lang.Object on Mac

This change depends on https://git.eclipse.org/r/#/c/36379/

Change-Id: Ied6521507f81cae26db23c9fbbb7062845e2647a
Signed-off-by: Sergey Prigogin <eclipse.sprigogin@gmail.com>