Refactor ShellDesktopController and ShellNativeAppWindow to allow for non-aura implementations.

extensions/browser/app_window/test_app_window_contents.h

+// Copyright 2014 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 EXTENSIONS_BROWSER_APP_WINDOW_TEST_APP_WINDOW_CONTENTS_
+#define EXTENSIONS_BROWSER_APP_WINDOW_TEST_APP_WINDOW_CONTENTS_
+
+#include "base/macros.h"
+#include "extensions/browser/app_window/app_window.h"
+
+namespace content {
+class WebContents;
+}
+
+namespace extensions {
+
+// A dummy version of AppWindowContents for unit tests.
+// Best used with AppWindow::SetAppWindowContentsForTesting().
+class TestAppWindowContents : public AppWindowContents {
+ public:
+  explicit TestAppWindowContents(content::WebContents* web_contents);
+  ~TestAppWindowContents() override;
+
+  // apps:AppWindowContents:
+  void Initialize(content::BrowserContext* context, const GURL& url) override;
+  void LoadContents(int32 creator_process_id) override;
+  void NativeWindowChanged(NativeAppWindow* native_app_window) override;
+  void NativeWindowClosed() override;
+  void DispatchWindowShownForTests() const override;
+  content::WebContents* GetWebContents() const override;
+
+ private:
+  scoped_ptr<content::WebContents> web_contents_;
+
+  DISALLOW_COPY_AND_ASSIGN(TestAppWindowContents);
+};
+
+}  // namespace extensions
+
+#endif  // EXTENSIONS_BROWSER_APP_WINDOW_TEST_APP_WINDOW_CONTENTS_