Renderer::applyRenderTarget now returns a success/failure bool.

TRAC #22124

Signed-off-by: Nicolas Capens
Signed-off-by: Daniel Koch

git-svn-id: https://angleproject.googlecode.com/svn/branches/dx11proto@1460 736b8ea6-26fd-11df-bfd4-992fa37f6226
5 files changed