Roll googletest to 1.8.0.

DEPS

Index: DEPS
diff --git a/DEPS b/DEPS
index 5d35fd0020ba7305658c4943ca9392dce07bbd1b..ee9d435cc546cd3bd2aea8e0d05f31ecb00e9214 100644
--- a/DEPS
+++ b/DEPS
@@ -132,12 +132,6 @@ deps = {
   'src/sdch/open-vcdiff':
     Var('chromium_git') + '/external/github.com/google/open-vcdiff.git' + '@' + '2b9bd1fe548520e9355e457a134bab7e2f9c56c0',
 
-  'src/testing/gtest':
-    Var('chromium_git') + '/external/github.com/google/googletest.git' + '@' + '6f8a66431cb592dad629028a50b3dd418a408c87',
-
-  'src/testing/gmock':
-    Var('chromium_git') + '/external/googlemock.git' + '@' + '0421b6f358139f02e102c9c332ce19a33faf75be', # from svn revision 566
-
   'src/third_party/glslang/src':
     Var('chromium_git') + '/external/github.com/google/glslang.git' + '@' + '210c6bf4d8119dc5f8ac21da2d4c87184f7015e0',
 
@@ -153,6 +147,9 @@ deps = {
   'src/third_party/colorama/src':
     Var('chromium_git') + '/external/colorama.git' + '@' + '799604a1041e9b3bc5d2789ecbd7e8db2e18e6b8',
 
+  'src/third_party/googletest/src':
+    Var('chromium_git') + '/external/github.com/google/googletest.git' + '@' + 'ec44c6c1675c25b9827aacd08c02433cccde7780',
+
   'src/third_party/icu':
     Var('chromium_git') + '/chromium/deps/icu.git' + '@' + 'b34251f8b762f8e2112a89c587855ca4297fed96',