Bug 967556 - Divert AC_CHECK_FUNC so that the #includes it uses can't interfere with the function it tests.
Bug 748598 - Implement VolatileBuffer for OSX, Ashmem, and Windows, r=njn,glandium
Bug 748598 - Implement gfxLockedImageSurface for handling images managed by a VolatileBuffer, r=
Remove unused code
Bug 748598 - Store decoded images in VolatileBuffers, r=
avoid invalidation
16bit support
Disposable scaled images
Remove windows surfaces in imgFrame
optimize layer checking
bt hack