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

chrome/browser/chromeos/login/take_photo_view.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/take_photo_view.h"
 
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/chromeos/login/helper.h"
 #include "grit/generated_resources.h"
 #include "grit/theme_resources.h"
@@ skipping 272 matching lines @@
 }
 
 gfx::Size TakePhotoView::GetPreferredSize() {
   return gfx::Size(width(), height());
 }
 
 void TakePhotoView::ButtonPressed(
     views::Button* sender, const views::Event& event) {
   DCHECK(delegate_);
   DCHECK(sender == snapshot_button_);
+  FlipCapturingState();
+}
+
+void TakePhotoView::FlipCapturingState() {
   if (is_capturing_) {
     CaptureImage();
   } else {
     is_capturing_ = true;
     snapshot_button_->SetImage(
         views::CustomButton::BS_NORMAL,
         ResourceBundle::GetSharedInstance().GetBitmapNamed(
             IDR_USER_IMAGE_CAPTURE));
     delegate_->OnCapturingStarted();
     snapshot_button_->SchedulePaint();
   }
 }
 
 }  // namespace chromeos