Remove GTEST_LANG_CXX11 and switch to C++11 on gtest and gmock

testing/gtest_nacl.gyp

Index: testing/gtest_nacl.gyp
diff --git a/testing/gtest_nacl.gyp b/testing/gtest_nacl.gyp
index d1c0ce0fb40387f8138f57e1e4ce0dad3a1fbeb0..910c9e37890dfb8b221bfd36a8c211cb04c5448e 100644
--- a/testing/gtest_nacl.gyp
+++ b/testing/gtest_nacl.gyp
@@ -36,20 +36,10 @@
             # Windows and other systems, we tell gtest to always use it's
             # internal engine.
             'GTEST_HAS_POSIX_RE=0',
-            'GTEST_LANG_CXX11=0',
-            # gtest isn't able to figure out when RTTI is disabled for gcc
-            # versions older than 4.3.2, and assumes it's enabled.  Our Mac
-            # and Linux builds disable RTTI, and cannot guarantee that the
-            # compiler will be 4.3.2. or newer.  The Mac, for example, uses
-            # 4.2.1 as that is the latest available on that platform.  gtest
-            # must be instructed that RTTI is disabled here, and for any
-            # direct dependents that might include gtest headers.
-            'GTEST_HAS_RTTI=0',
           ],
           'all_dependent_settings': {
             'defines': [
               'GTEST_HAS_POSIX_RE=0',
-              'GTEST_LANG_CXX11=0',
             ],
             'link_flags': [
               '-lgtest_nacl',
@@ -58,7 +48,6 @@
           'direct_dependent_settings': {
             'defines': [
               'UNIT_TEST',
-              'GTEST_HAS_RTTI=0',
             ],
             'include_dirs': [
               'gtest/include',  # So that gtest headers can find themselves.