../ThirdParty: [WinCairo] Build WinCairo port under VS2010.

../ThirdParty: [WinCairo] Build WinCairo port under VS2010.
https://bugs.webkit.org/show_bug.cgi?id=112861

Reviewed by Tim Horton.

* gtest/msvc/gtest-md.vcxproj: Add WinCairo targets.

../WebKit: [WinCairo] Top-level solution change to build under VS2010.
https://bugs.webkit.org/show_bug.cgi?id=112861.

Reviewed by Tim Horton.

* WebKit.vcxproj/WebKit.sln: Add final set of WinCairo build
targets.
* WebKit.vcxproj/WebKitExportGenerator/WebKitExports.def.in:
Add #if/def guards around some media-specific exports that
are not provided by the WinCairo port.

git-svn-id: https://svn.webkit.org/repository/webkit/trunk@146422 268f45cc-cd09-0410-ab3c-d52691b4dbfc