Introduces AppActivity and handler of chrome.shell API.

athena/activity/public/activity_factory.h

Index: athena/activity/public/activity_factory.h
diff --git a/athena/activity/public/activity_factory.h b/athena/activity/public/activity_factory.h
index c617eee774310f5aa8e6257a8ad1c0aeeac607ee..0d2448a1456b57fcb6a9e7250084c4ddeeb6b5a4 100644
--- a/athena/activity/public/activity_factory.h
+++ b/athena/activity/public/activity_factory.h
@@ -10,6 +10,7 @@
 
 namespace content {
 class BrowserContext;
+class WebContents;
 }
 
 namespace athena {
@@ -32,9 +33,8 @@ class ATHENA_EXPORT ActivityFactory {
   virtual Activity* CreateWebActivity(content::BrowserContext* browser_context,
                                       const GURL& url) = 0;
 
-  // Create an activity of an app.
-  virtual Activity* CreateAppActivity(content::BrowserContext* browser_context,
-                                      const std::string& app_id) = 0;
+  // Create an activity of an app with |web_contents|.
+  virtual Activity* CreateAppActivity(content::WebContents* web_contents) = 0;

[James Cook, 2014/06/16 16:12:30]

Not for this CL:  Will Athena ever support multi-profile? If so you might want
to make the ActivityFactory a KeyedService (on the BrowserContext).

[Jun Mukai, 2014/06/16 17:46:52]

I think eventually it will, but not now.

 };
 
 }  // namespace athena