Tidy up Android's is-tablet functionality.

chrome/browser/web_resource/notification_promo.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 "chrome/browser/web_resource/notification_promo.h"
 
 #include <cmath>
 #include <vector>
 
 #include "base/bind.h"
@@ skipping 41 matching lines @@
   const bool isTablet = false;
   return std::string("ios-") + (isTablet ? "tablet" : "phone");
 #elif defined(OS_MACOSX)
   return "mac";
 #elif defined(OS_CHROMEOS)
   return "chromeos";
 #elif defined(OS_LINUX)
   return "linux";
 #elif defined(OS_ANDROID)
   const bool isTablet =
-      CommandLine::ForCurrentProcess()->HasSwitch(switches::kTabletUi);
+      CommandLine::ForCurrentProcess()->HasSwitch(switches::kTabletUI);
   return std::string("android-") + (isTablet ? "tablet" : "phone");
 #else
   return "none";
 #endif
 }
 
 // Returns a string suitable for the Promo Server URL 'dist' value.
 const char* ChannelString() {
 #if defined (OS_WIN)
   // GetChannel hits the registry on Windows. See http://crbug.com/70898.
@@ skipping 369 matching lines @@
   if (group_ < initial_segment_)
     return start_;
   return start_ +
       std::ceil(static_cast<float>(group_ - initial_segment_ + 1) / increment_)
       * time_slice_;
 }
 
 double NotificationPromo::EndTime() const {
   return end_;
 }