Run athena on chrome

athena/content/chrome/content_activity_factory.cc

Index: athena/content/chrome/content_activity_factory.cc
diff --git a/athena/content/chrome/content_activity_factory.cc b/athena/content/chrome/content_activity_factory.cc
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+++ b/athena/content/chrome/content_activity_factory.cc
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+// 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.
+
+#include "athena/content/content_activity_factory.h"
+
+#include "apps/app_window.h"
+#include "athena/content/app_activity.h"
+
+// TODO(oshima): Consolidate this and app shell implementation once
+// crbug.com/403726 is fixed.
+namespace athena {
+namespace {
+
+class ChromeAppActivity : public AppActivity {
+ public:
+  explicit ChromeAppActivity(apps::AppWindow* app_window)
+      : AppActivity(app_window->extension_id()), app_window_(app_window) {}
+
+ private:
+  virtual ~ChromeAppActivity() {}
+
+  // AppActivity:
+  virtual content::WebContents* GetWebContents() OVERRIDE {
+    return app_window_->web_contents();
+  }
+
+  // Not owned.
+  apps::AppWindow* app_window_;
+
+  DISALLOW_COPY_AND_ASSIGN(ChromeAppActivity);
+};
+
+}  // namespace
+
+Activity* ContentActivityFactory::CreateAppActivity(
+    apps::AppWindow* app_window) {
+  return new ChromeAppActivity(app_window);
+}
+
+Activity* ContentActivityFactory::CreateAppActivity(
+    extensions::ShellAppWindow* app_window,
+    const std::string& app_id) {
+  return NULL;
+}
+
+}  // namespace athena