Made all enums of preferences api unix_hacker_style

chrome/test/data/extensions/api_test/proxy/auto/test.js

Index: chrome/test/data/extensions/api_test/proxy/auto/test.js
diff --git a/chrome/test/data/extensions/api_test/proxy/auto/test.js b/chrome/test/data/extensions/api_test/proxy/auto/test.js
index 58240db98a7b655ca54f2b703861d27558f3afdf..c6b9706c5ae467d96cbe2b5a3aab8d3a5e3b8e35 100644
--- a/chrome/test/data/extensions/api_test/proxy/auto/test.js
+++ b/chrome/test/data/extensions/api_test/proxy/auto/test.js
@@ -30,7 +30,7 @@ chrome.test.runTests([
     chrome.proxy.settings.get(
         {'incognito': false},
         expect({ 'value': config,
-                 'levelOfControl': "ControlledByThisExtension" },
+                 'levelOfControl': "controlled_by_this_extension" },
                "invalid proxy settings"));
   },
   function verifyIncognito() {
@@ -38,7 +38,7 @@ chrome.test.runTests([
         {'incognito': true},
         expect({ 'value': config,
                  'incognitoSpecific': false,
-                 'levelOfControl': "ControlledByThisExtension" },
+                 'levelOfControl': "controlled_by_this_extension" },
                "invalid proxy settings"));
   }
 ]);