Add a hook for capturing a user profile photo and saving it to file and local state.

chrome/browser/chromeos/login/user_manager.cc

 // Copyright (c) 2011 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/chromeos/login/user_manager.h"
 
 #include "base/command_line.h"
 #include "base/compiler_specific.h"
 #include "base/file_path.h"
 #include "base/file_util.h"
@@ skipping 57 matching lines @@
 
 // Stores path to the image in local state. Runs on UI thread.
 void SavePathToLocalState(const std::string& username,
                           const std::string& image_path) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   PrefService* local_state = g_browser_process->local_state();
   DictionaryPrefUpdate images_update(local_state, kUserImages);
   images_update->SetWithoutPathExpansion(username, new StringValue(image_path));
   DVLOG(1) << "Saving path to user image in Local State.";
   local_state->SavePersistentPrefs();
+  UserManager::Get()->NotifyLocalStateChanged();
 }
 
 // Saves image to file with specified path. Runs on FILE thread.
 // Posts task for saving image path to local state on UI thread.
 void SaveImageToFile(const SkBitmap& image,
                      const FilePath& image_path,
                      const std::string& username) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE));
   std::vector<unsigned char> encoded_image;
   if (!gfx::PNGCodec::EncodeBGRASkBitmap(image, true, &encoded_image)) {
@@ skipping 595 matching lines @@
 bool UserManager::current_user_is_owner() const {
   base::AutoLock lk(current_user_is_owner_lock_);
   return current_user_is_owner_;
 }
 
 void UserManager::set_current_user_is_owner(bool current_user_is_owner) {
   base::AutoLock lk(current_user_is_owner_lock_);
   current_user_is_owner_ = current_user_is_owner;
 }
 
+void UserManager::AddObserver(Observer* obs) {
+  observer_list_.AddObserver(obs);
+}
+
+void UserManager::RemoveObserver(Observer* obs) {
+  observer_list_.RemoveObserver(obs);
+}
+
+void UserManager::NotifyLocalStateChanged() {
+ FOR_EACH_OBSERVER(
+    Observer,
+    observer_list_,
+    LocalStateChanged(this));
+}
+
 }  // namespace chromeos