Implement base::win::IsMetroProcess.

ui/base/layout.cc

 // Copyright (c) 2012 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 "ui/base/layout.h"
 
 #include "base/basictypes.h"
 #include "base/command_line.h"
 #include "base/logging.h"
 #include "build/build_config.h"
@@ skipping 27 matching lines @@
     } else if (switch_value == switches::kTouchOptimizedUIDisabled) {
       return false;
     } else if (switch_value != switches::kTouchOptimizedUIAuto) {
       LOG(ERROR) << "Invalid --touch-optimized-ui option: " << switch_value;
     }
   }
 
 #if defined(OS_WIN)
   // On Windows, we use the touch layout only when we are running in
   // Metro mode.
-  return base::win::GetMetroModule() != NULL;
+  return base::win::IsMetroProcess();
 #elif defined(USE_AURA) && defined(USE_X11)
   // Determine whether touch-screen hardware is currently available.
   // For now we must ensure this won't change over the life of the process,
   // since we don't yet support updating the UI.  crbug.com/124399
   static bool has_touch_device =
       ui::TouchFactory::GetInstance()->IsTouchDevicePresent();
 
   // Work-around for late device detection in some cases.  If we've asked for
   // touch calibration then we're certainly expecting a touch screen, it must
   // just not be ready yet.  Force-enable touch-ui mode in this case.
@@ skipping 29 matching lines @@
 #else
   return LAYOUT_DESKTOP;
 #endif
 }
 
 float GetScaleFactorScale(ScaleFactor scale_factor) {
   return kScaleFactorScales[scale_factor];
 }
 
 }  // namespace ui