chromeos: Move EnableScreenLock to PowerManagerClient from PowerLibrary

chrome/browser/chromeos/cros/power_library.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/cros/power_library.h"
 
 #include <algorithm>
 
 #include "base/basictypes.h"
 #include "base/bind.h"
@@ skipping 30 matching lines @@
   }
 
   virtual void AddObserver(Observer* observer) OVERRIDE {
     observers_.AddObserver(observer);
   }
 
   virtual void RemoveObserver(Observer* observer) OVERRIDE {
     observers_.RemoveObserver(observer);
   }
 
-  virtual void EnableScreenLock(bool enable) OVERRIDE {
-    // Called when the screen preference is changed, which should always
-    // run on UI thread.
-    DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
-    // Post the task to FILE thread as chromeos::EnableScreenLock
-    // would write power manager config file to disk.
-    BrowserThread::PostTask(
-        BrowserThread::FILE, FROM_HERE,
-        base::Bind(&PowerLibraryImpl::DoEnableScreenLock, enable));
-  }
-
   // End PowerLibrary implementation.
 
  private:
-  static void DoEnableScreenLock(bool enable) {
-    chromeos::EnableScreenLock(enable);
-  }
 
   static void SystemResumedHandler(void* object) {
     PowerLibraryImpl* power = static_cast<PowerLibraryImpl*>(object);
     power->SystemResumed();
   }
 
   void SystemResumed() {
     // Called from SystemResumedHandler, a libcros callback which should
     // always run on UI thread.
     DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
@@ skipping 20 matching lines @@
   // Begin PowerLibrary implementation.
   virtual void Init() OVERRIDE {}
   virtual void AddObserver(Observer* observer) OVERRIDE {
     observers_.AddObserver(observer);
   }
 
   virtual void RemoveObserver(Observer* observer) OVERRIDE {
     observers_.RemoveObserver(observer);
   }
 
-  virtual void EnableScreenLock(bool enable) OVERRIDE {}
-
   // End PowerLibrary implementation.
  private:
   ObserverList<Observer> observers_;
 };
 
 // static
 PowerLibrary* PowerLibrary::GetImpl(bool stub) {
   PowerLibrary* impl;
   if (stub)
     impl = new PowerLibraryStubImpl();
   else
     impl = new PowerLibraryImpl();
   impl->Init();
   return impl;
 }
 
 }  // namespace chromeos