Start splitting out WebUI into an implementation class and an interface that each page implements...

chrome/browser/ui/webui/test_chrome_web_ui_factory_browsertest.cc

 // Copyright (c) 2011 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/ui/webui/chrome_web_ui.h"
 #include "chrome/browser/ui/webui/test_chrome_web_ui_factory.h"
+#include "content/public/browser/web_ui_controller.h"
 #include "chrome/test/base/in_process_browser_test.h"
 #include "chrome/test/base/ui_test_utils.h"
 #include "googleurl/src/gurl.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 using content::WebContents;
 using ::testing::_;
 using ::testing::Eq;
 using ::testing::StrictMock;
 
 namespace {
 
 // Returns a new WebUI object for the TabContents from |arg0|.
 ACTION(ReturnNewWebUI) {
-  return new WebUI(arg0);
+  static content::WebUIController temp_controller;
+  return new WebUI(arg0, &temp_controller);
 }
 
 // Mock the TestChromeWebUIFactory::WebUIProvider to prove that we are called as
 // expected.
 class MockWebUIProvider : public TestChromeWebUIFactory::WebUIProvider {
  public:
   MOCK_METHOD2(NewWebUI, WebUI*(WebContents* tab_contents, const GURL& url));
 };
 
 // Dummy URL location for us to override.
@@ skipping 23 matching lines @@
 
 }  // namespace
 
 // Test that browsing to our test url causes us to be called once.
 IN_PROC_BROWSER_TEST_F(TestChromeWebUIFactoryTest, TestWebUIProvider) {
   const GURL kChromeTestChromeWebUIFactoryURL(kChromeTestChromeWebUIFactory);
   EXPECT_CALL(mock_provider_, NewWebUI(_, Eq(kChromeTestChromeWebUIFactoryURL)))
       .WillOnce(ReturnNewWebUI());
   ui_test_utils::NavigateToURL(browser(), kChromeTestChromeWebUIFactoryURL);
 }