Add the basic infrastructure for the Behavior feature type: BehaviorFeature and

chrome/browser/extensions/extension_browsertest.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/extensions/extension_browsertest.h"
 
 #include <vector>
 
 #include "base/command_line.h"
 #include "base/files/file_path.h"
@@ skipping 216 matching lines @@
   }
 
   // Toggling incognito or file access will reload the extension, so wait for
   // the reload and grab the new extension instance. The default state is
   // incognito disabled and file access enabled, so we don't wait in those
   // cases.
   {
     content::WindowedNotificationObserver load_signal(
         extensions::NOTIFICATION_EXTENSION_LOADED_DEPRECATED,
         content::Source<Profile>(profile()));
-    CHECK(!extensions::util::IsIncognitoEnabled(extension_id, profile()));
+    CHECK(!extensions::util::IsIncognitoEnabled(extension_id, profile()))
+        << extension_id << " is enabled in incognito, but shouldn't be";
 
     if (flags & kFlagEnableIncognito) {
       extensions::util::SetIsIncognitoEnabled(extension_id, profile(), true);
       load_signal.Wait();
       extension = service->GetExtensionById(extension_id, false);
       CHECK(extension) << extension_id << " not found after reloading.";
     }
   }
 
   {
@@ skipping 412 matching lines @@
   return extensions::browsertest_util::ExecuteScriptInBackgroundPage(
       profile(), extension_id, script);
 }
 
 bool ExtensionBrowserTest::ExecuteScriptInBackgroundPageNoWait(
     const std::string& extension_id,
     const std::string& script) {
   return extensions::browsertest_util::ExecuteScriptInBackgroundPageNoWait(
       profile(), extension_id, script);
 }