Disable environment variable override of API keys on official builds.

google_apis/google_api_keys_unittest.cc

Index: google_apis/google_api_keys_unittest.cc
diff --git a/google_apis/google_api_keys_unittest.cc b/google_apis/google_api_keys_unittest.cc
index 74765ecaefe2747c79eed074233c5a8b0403d93c..1b0515ffa6949bf6f3c50d1962c1eeeb447246b7 100644
--- a/google_apis/google_api_keys_unittest.cc
+++ b/google_apis/google_api_keys_unittest.cc
@@ -394,6 +394,8 @@ TEST_F(GoogleAPIKeysTest, OverrideAllKeys) {
   EXPECT_EQ("SECRET_REMOTING_HOST", secret_remoting_host);
 }
 
+#if !defined(GOOGLE_CHROME_BUILD)
+
 // Override all keys using both preprocessor defines and environment
 // variables.  The environment variables should win.
 namespace override_all_keys_env {
@@ -481,6 +483,8 @@ TEST_F(GoogleAPIKeysTest, OverrideAllKeysUsingEnvironment) {
   EXPECT_EQ("env-SECRET_REMOTING_HOST", secret_remoting_host);
 }
 
+#endif  // !defined(GOOGLE_CHROME_BUILD)
+
 #if defined(OS_IOS)
 // Override all keys using both preprocessor defines and setters.
 // Setters should win.