cros: CustomFrameViewAsh avatar icon from a window prop

chrome/browser/ui/ash/session_util.cc

 // Copyright (c) 2015 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 "chrome/browser/ui/ash/session_util.h"
 
 #include "ash/content/shell_content_state.h"
 #include "ash/resources/grit/ash_resources.h"
 #include "build/build_config.h"
 #include "chrome/browser/chromeos/profiles/profile_helper.h"
@@ skipping 26 matching lines @@
     if (owner_browser_context && active_browser_context &&
         owner_browser_context != active_browser_context &&
         shown_browser_context != active_browser_context) {
       return false;
     }
   }
   return true;
 }
 
 gfx::ImageSkia GetAvatarImageForContext(content::BrowserContext* context) {
+  return GetAvatarImageForUser(chromeos::ProfileHelper::Get()->GetUserByProfile(
+      Profile::FromBrowserContext(context)));
+}
+
+gfx::ImageSkia GetAvatarImageForUser(const user_manager::User* user) {
   static const gfx::ImageSkia* holder =
       ui::ResourceBundle::GetSharedInstance().GetImageSkiaNamed(
           IDR_AVATAR_HOLDER);
   static const gfx::ImageSkia* holder_mask =
       ui::ResourceBundle::GetSharedInstance().GetImageSkiaNamed(
           IDR_AVATAR_HOLDER_MASK);
 
-  gfx::ImageSkia user_image =
-      chromeos::ProfileHelper::Get()
-          ->GetUserByProfile(Profile::FromBrowserContext(context))
-          ->GetImage();
-
+  gfx::ImageSkia user_image = user->GetImage();
   gfx::ImageSkia resized = gfx::ImageSkiaOperations::CreateResizedImage(
       user_image, skia::ImageOperations::RESIZE_BEST, holder->size());
   gfx::ImageSkia masked =
       gfx::ImageSkiaOperations::CreateMaskedImage(resized, *holder_mask);
   return gfx::ImageSkiaOperations::CreateSuperimposedImage(*holder, masked);
 }