Introduces AppActivity and handler of chrome.shell API.

athena/main/athena_main.cc

 // 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 "apps/shell/app/shell_main_delegate.h"
 #include "apps/shell/browser/shell_browser_main_delegate.h"
 #include "apps/shell/browser/shell_desktop_controller.h"
 #include "apps/shell/browser/shell_extension_system.h"
 #include "athena/content/public/content_activity_factory.h"
 #include "athena/content/public/content_app_model_builder.h"
 #include "athena/home/public/home_card.h"
+#include "athena/main/athena_app_window_controller.h"
 #include "athena/main/athena_launcher.h"
 #include "athena/main/placeholder.h"
 #include "athena/main/url_search_provider.h"
 #include "base/command_line.h"
 #include "base/file_util.h"
 #include "content/public/app/content_main.h"
 #include "ui/aura/window_tree_host.h"
 #include "ui/wm/core/visibility_controller.h"
 
 namespace {
@@ skipping 23 matching lines @@
       extension_system->LoadApp(app_absolute_dir);
     }
     CreateTestPages(context);
   }
 
   virtual void Shutdown() OVERRIDE { athena::ShutdownAthena(); }
 
   virtual apps::ShellDesktopController* CreateDesktopController() OVERRIDE {
     // TODO(mukai): create Athena's own ShellDesktopController subclass so that
     // it can initialize its own window manager logic.
-    return new apps::ShellDesktopController();
+    apps::ShellDesktopController* desktop = new apps::ShellDesktopController();
+    desktop->SetAppWindowController(new athena::AthenaAppWindowController());
+    return desktop;
   }
 
  private:
   DISALLOW_COPY_AND_ASSIGN(AthenaBrowserMainDelegate);
 };
 
 class AthenaMainDelegate : public apps::ShellMainDelegate {
  public:
   AthenaMainDelegate() {}
   virtual ~AthenaMainDelegate() {}
@@ skipping 10 matching lines @@
 
 int main(int argc, const char** argv) {
   AthenaMainDelegate delegate;
   content::ContentMainParams params(&delegate);
 
   params.argc = argc;
   params.argv = argv;
 
   return content::ContentMain(params);
 }