Show avatar icon on V2 app's frame

ash/session_state_delegate.h

 // Copyright (c) 2013 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 ASH_SESSION_STATE_DELEGATE_H_
 #define ASH_SESSION_STATE_DELEGATE_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 33 matching lines @@
     CYCLE_TO_NEXT_USER = 0,  // Cycle to the next user.
     CYCLE_TO_PREVIOUS_USER,  // Cycle to the previous user.
   };
 
   virtual ~SessionStateDelegate() {};
 
   // Returns the browser context for the user given by |index|.
   virtual content::BrowserContext* GetBrowserContextByIndex(
       MultiProfileIndex index) = 0;
 
+  // Returns the browser context associated with the window.
+  virtual content::BrowserContext* GetBrowserContextForWindow(
+      aura::Window* window) = 0;
+
   // Returns the maximum possible number of logged in users.
   virtual int GetMaximumNumberOfLoggedInUsers() const = 0;
 
   // Returns the number of signed in users. If 0 is returned, there is either
   // no session in progress or no active user.
   virtual int NumberOfLoggedInUsers() const = 0;
 
   // Returns |true| if the session has been fully started for the active user.
   // When a user becomes active, the profile and browser UI are not immediately
   // available. Only once this method starts returning |true| is the browser
@@ skipping 53 matching lines @@
   virtual void CycleActiveUser(CycleUser cycle_user) = 0;
 
   // Adds or removes sessions state observer.
   virtual void AddSessionStateObserver(SessionStateObserver* observer) = 0;
   virtual void RemoveSessionStateObserver(SessionStateObserver* observer) = 0;
 };
 
 }  // namespace ash
 
 #endif  // ASH_SESSION_STATE_DELEGATE_H_