win32_x86_generator.h win32_x86_patcher.h Notice these names? This is the disappointing aspect to all of this, it is one more new reason that Chrome is x86 and primarily Windows
I hope that Chromium's multi-platform support does improve (the Linux port is getting better and better every day), but I think that this particular example is doesn't affect the multi-platform situation. Windows is (for the foreseeable future) by far the most significant install base. I'm assuming this was done to decrease Google's bandwidth costs. Linux/Mac (or ARM/PPC) could receive the traditional binary diffs without making a noticeable impact on bandwidth.
Since nobody actually pays for developers to work on libc, you end you with whoever crazy people will actually work on it. So while the fork is a good thing, it's probably just going to be more of the same.
Actually, I think that Redhat pays Ulrich to work on glibc.