Revert https://codereview.chromium.org/1060993003

chrome/browser/ui/webui/extensions/extension_settings_browsertest.js

Index: chrome/browser/ui/webui/extensions/extension_settings_browsertest.js
diff --git a/chrome/browser/ui/webui/extensions/extension_settings_browsertest.js b/chrome/browser/ui/webui/extensions/extension_settings_browsertest.js
index f96ed80fa3bb9b4052bf16d6ba11236aab89829d..ef1ff39d7d718b8692b76b2b6755d64ee0476ea1 100644
--- a/chrome/browser/ui/webui/extensions/extension_settings_browsertest.js
+++ b/chrome/browser/ui/webui/extensions/extension_settings_browsertest.js
@@ -119,18 +119,6 @@ BasicExtensionSettingsWebUITest.prototype = {
       });
     });
   },
-
-  /** @protected */
-  verifyDeveloperModeWorks: function() {
-    var extensionSettings = getRequiredElement('extension-settings');
-    assertFalse(extensionSettings.classList.contains('dev-mode'));
-    $('toggle-dev-on').click();
-    assertTrue(extensionSettings.classList.contains('dev-mode'));
-    chrome.developerPrivate.getProfileConfiguration(function(profileInfo) {
-      assertTrue(profileInfo.inDeveloperMode);
-      this.nextStep();
-    }.bind(this));
-  },
 };
 
 TEST_F('BasicExtensionSettingsWebUITest', 'testDisable', function() {
@@ -155,21 +143,6 @@ TEST_F('BasicExtensionSettingsWebUITest', 'testUninstall', function() {
   this.nextStep();
 });
 
-TEST_F('BasicExtensionSettingsWebUITest', 'testDeveloperMode', function() {
-  var next = this.nextStep.bind(this);
-  var checkDevModeIsOff = function() {
-    chrome.developerPrivate.getProfileConfiguration(function(profileInfo) {
-      assertFalse(profileInfo.inDeveloperMode);
-      next();
-    });
-  };
-  this.steps = [checkDevModeIsOff,
-                this.waitForPageLoad,
-                this.verifyDeveloperModeWorks,
-                testDone];
-  this.nextStep();
-});
-
 function AsyncExtensionSettingsWebUITest() {}
 
 AsyncExtensionSettingsWebUITest.prototype = {