cros: Cleanup lock screen and OOBE C++ backing code.

chrome/browser/chromeos/power/renderer_freezer.cc

 // Copyright 2014 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/power/renderer_freezer.h"
 
 #include <string>
 #include <utility>
 
 #include "base/bind.h"
 #include "base/logging.h"
 #include "base/message_loop/message_loop.h"
 #include "base/process/process_handle.h"
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/chromeos/login/lock/screen_locker.h"
-#include "chrome/browser/chromeos/login/lock/screen_locker_delegate.h"
+#include "chrome/browser/chromeos/login/lock/webui_screen_locker.h"
 #include "chromeos/dbus/dbus_thread_manager.h"
 #include "content/public/browser/notification_details.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/browser/notification_source.h"
 #include "content/public/browser/notification_types.h"
 #include "content/public/browser/render_process_host.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/browser/web_ui.h"
 #include "extensions/browser/extension_registry.h"
 #include "extensions/browser/notification_types.h"
@@ skipping 114 matching lines @@
 
 void RendererFreezer::OnScreenLockStateChanged(chromeos::ScreenLocker* locker,
                                                bool is_locked) {
   // The ScreenLocker class sends NOTIFICATION_SCREEN_LOCK_STATE_CHANGED when
   // the lock screen becomes ready, resulting in this code running synchronously
   // to mark the screen locker renderer to remain unfrozen during a suspend
   // request.  Since this happens before the PowerManagerClient calls
   // RendererFreezer::SuspendImminent(), it is guaranteed that the screen locker
   // renderer will not be frozen at any point.
   if (is_locked) {
-    delegate_->SetShouldFreezeRenderer(locker->delegate()
-                                           ->GetAssociatedWebUI()
-                                           ->GetWebContents()
-                                           ->GetRenderProcessHost()
-                                           ->GetHandle(),
-                                       false);
+    delegate_->SetShouldFreezeRenderer(
+        locker->web_ui()->GetWebContents()->GetRenderProcessHost()->GetHandle(),
+        false);
   }
 }
 
 void RendererFreezer::OnRenderProcessCreated(content::RenderProcessHost* rph) {
   const int rph_id = rph->GetID();
 
   if (gcm_extension_processes_.find(rph_id) != gcm_extension_processes_.end()) {
     LOG(ERROR) << "Received duplicate notifications about the creation of a "
                << "RenderProcessHost with id " << rph_id;
     return;
@@ skipping 33 matching lines @@
     rph->AddObserver(this);
     return;
   }
 
   // We didn't find an extension in this RenderProcessHost that is using GCM so
   // we can go ahead and freeze it on suspend.
   delegate_->SetShouldFreezeRenderer(rph->GetHandle(), true);
 }
 
 }  // namespace chromeos