Remove obsolete gtest configurations

testing/gtest.gyp

Index: testing/gtest.gyp
diff --git a/testing/gtest.gyp b/testing/gtest.gyp
index dd9435eab57e82cb654af398456d989f031c111b..fe33db5e1f24d49e4b2ff9b5cf25f2b7011ce8d3 100644
--- a/testing/gtest.gyp
+++ b/testing/gtest.gyp
@@ -106,23 +106,6 @@
             ],
           },
         }],
-        ['os_posix == 1', {
-          'defines': [
-            # 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',
-          ],
-          'direct_dependent_settings': {
-            'defines': [
-              'GTEST_HAS_RTTI=0',
-            ],
-          },
-        }],
         ['OS=="android" and android_app_abi=="x86"', {
           'defines': [
             'GTEST_HAS_CLONE=0',
@@ -133,25 +116,6 @@
             ],
           },
         }],
-        ['OS=="android"', {
-          # We want gtest features that use tr1::tuple, but we currently
-          # don't support the variadic templates used by libstdc++'s
-          # implementation. gtest supports this scenario by providing its
-          # own implementation but we must opt in to it.
-          'defines': [
-            'GTEST_USE_OWN_TR1_TUPLE=1',
-            # GTEST_USE_OWN_TR1_TUPLE only works if GTEST_HAS_TR1_TUPLE is set.
-            # gtest r625 made it so that GTEST_HAS_TR1_TUPLE is set to 0
-            # automatically on android, so it has to be set explicitly here.
-            'GTEST_HAS_TR1_TUPLE=1',
-          ],
-          'direct_dependent_settings': {
-            'defines': [
-              'GTEST_USE_OWN_TR1_TUPLE=1',
-              'GTEST_HAS_TR1_TUPLE=1',
-            ],
-          },
-        }],
       ],
       'direct_dependent_settings': {
         'defines': [