Upgrade gtest to r267 and gmock to r173.

testing/chromium.patch

Index: testing/chromium.patch
diff --git a/testing/chromium.patch b/testing/chromium.patch
deleted file mode 100644
index 26b566294b25f0f306485d9c0929f76283a6cb90..0000000000000000000000000000000000000000
--- a/testing/chromium.patch
+++ /dev/null
@@ -1,20 +0,0 @@
-diff -ru gmock.orig/include/gmock/internal/gmock-port.h gmock/include/gmock/internal/gmock-port.h
---- gmock.orig/include/gmock/internal/gmock-port.h	2009-05-22 23:58:41.000000000 -0700
-+++ gmock/include/gmock/internal/gmock-port.h	2009-05-23 00:49:01.000000000 -0700
-@@ -54,9 +54,14 @@
- // GCC 4.0+ implements tr1/tuple in the <tr1/tuple> header.  This does
- // not conform to the TR1 spec, which requires the header to be <tuple>.
- #include <tr1/tuple>
-+#elif defined(_MSC_VER) && _MSC_VER < 1500
-+// For Visual Studio older than 2008, we redirect directly to boost tuple
-+// searching from boost's root.  This is to avoid extra dirtying of the
-+// compiler include paths.
-+#include "boost/tr1/tr1/tuple"
- #else
--// If the compiler is not GCC 4.0+, we assume the user is using a
--// spec-conforming TR1 implementation.
-+// If the compiler is neither GCC 4.0+, nor Visual Studio 2008, we assume the
-+// user is using a spec-conforming TR1 implementation.
- #include <tuple>
- #endif  // __GNUC__
-