Remove gclient-specific hacks from trychange into gcl.

tests/gclient_utils_test.py

Index: tests/gclient_utils_test.py
diff --git a/tests/gclient_utils_test.py b/tests/gclient_utils_test.py
index ca5b14a9ea7cd0cbe1ab4dcad814473fb4eb34f3..cbe91fa888eb02702393d54c116a21dac306f869 100644
--- a/tests/gclient_utils_test.py
+++ b/tests/gclient_utils_test.py
@@ -29,7 +29,7 @@ class CheckCallTestCase(SuperMoxTestBase):
   def testCheckCallSuccess(self):
     command = ['boo', 'foo', 'bar']
     process = self.mox.CreateMockAnything()
-    process.retcode = 0
+    process.returncode = 0
     gclient_utils.subprocess.Popen(
         command, cwd=None,
         stdout=gclient_utils.subprocess.PIPE,
@@ -41,7 +41,7 @@ class CheckCallTestCase(SuperMoxTestBase):
   def testCheckCallFailure(self):
     command = ['boo', 'foo', 'bar']
     process = self.mox.CreateMockAnything()
-    process.retcode = 42
+    process.returncode = 42
     gclient_utils.subprocess.Popen(
         command, cwd=None,
         stdout=gclient_utils.subprocess.PIPE,