Continuation of CL 5685007, rename the singleton accessor method in more files.

chrome/browser/chromeos/login/screen_locker.cc

 // Copyright (c) 2010 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/screen_locker.h"
 
 #include <gdk/gdkx.h>
 #include <string>
 #include <vector>
 #include <X11/extensions/XTest.h>
@@ skipping 691 matching lines @@
   // Don't let X draw default background, which was causing flash on
   // resume.
   gdk_window_set_back_pixmap(lock_window_->GetNativeView()->window,
                              NULL, false);
   gdk_window_set_back_pixmap(lock_widget_->GetNativeView()->window,
                              NULL, false);
   lock_window->set_toplevel_focus_widget(lock_widget_->window_contents());
 
   // Create the SystemKeyEventListener so it can listen for system keyboard
   // messages regardless of focus while screen locked.
-  SystemKeyEventListener::instance();
+  SystemKeyEventListener::GetInstance();
 }
 
 void ScreenLocker::OnLoginFailure(const LoginFailure& error) {
   DVLOG(1) << "OnLoginFailure";
   UserMetrics::RecordAction(UserMetricsAction("ScreenLocker_OnLoginFailure"));
   if (authentication_start_time_.is_null()) {
     LOG(ERROR) << "authentication_start_time_ is not set";
   } else {
     base::TimeDelta delta = base::Time::Now() - authentication_start_time_;
     VLOG(1) << "Authentication failure time: " << delta.InSecondsF();
@@ skipping 314 matching lines @@
 
 bool ScreenLocker::AcceleratorPressed(const views::Accelerator& accelerator) {
   if (!background_view_->IsScreenSaverVisible()) {
     StartScreenSaver();
     return true;
   }
   return false;
 }
 
 }  // namespace chromeos