Remove forced _HAS_TR1=0 define. VS2010 headers unconditionally define _HAS_TR1=1. The gyp msvs 2010 generator has a hardcoded hack to remove _HAS_TR1=0 from the defines, but it seems better not to add this to the ninja generator too.
Remove forced _HAS_TR1=0 define. VS2010 headers unconditionally define _HAS_TR1=1. The gyp msvs 2010 generator has a hardcoded hack to remove _HAS_TR1=0 from the defines, but it seems better not to add this to the ninja generator too.

Added here http://codereview.chromium.org/147015/ but not sure of reason. Perhaps the define could just be removed now?

Review URL: https://chromiumcodereview.appspot.com/9865029

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@129310 0039d316-1c4b-4281-b951-d872f2087c98

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