Rework ExtensionApiUnittest to run in extensions_unittests, removing its Chrome dependencies.

chrome/browser/extensions/extension_function_test_utils.h

 // 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.
 
 #ifndef CHROME_BROWSER_EXTENSIONS_EXTENSION_FUNCTION_TEST_UTILS_H_
 #define CHROME_BROWSER_EXTENSIONS_EXTENSION_FUNCTION_TEST_UTILS_H_
 
 #include <string>
 
 #include "base/memory/ref_counted.h"
 #include "extensions/common/manifest.h"
 
 class Browser;
 class UIThreadExtensionFunction;
 
 namespace base {
 class Value;
 class DictionaryValue;
 class ListValue;
 }
 
 namespace extensions {
 class Extension;
 }
 
+// This file is DEPRECATED. New tests should use the versions in
+// extensions/browser/api_test_utils.h.
 namespace extension_function_test_utils {
 
 // Parse JSON and return as the specified type, or NULL if the JSON is invalid
 // or not the specified type.
 base::Value* ParseJSON(const std::string& data);
 base::ListValue* ParseList(const std::string& data);
 base::DictionaryValue* ParseDictionary(const std::string& data);
 
 // Get |key| from |val| as the specified type. If |key| does not exist, or is
 // not of the specified type, adds a failure to the current test and returns
@@ skipping 80 matching lines @@
 // we're going to need to frob for all the different extension functions. But
 // we can refactor when we see what is needed.
 bool RunFunction(UIThreadExtensionFunction* function,
                  const std::string& args,
                  Browser* browser,
                  RunFunctionFlags flags);
 
 } // namespace extension_function_test_utils
 
 #endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_FUNCTION_TEST_UTILS_H_