Removing useless Win7 checks + standardize its use

chrome/browser/ui/prefs/prefs_tab_helper.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/ui/prefs/prefs_tab_helper.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <set>
@@ skipping 40 matching lines @@
 
 #if !defined(OS_ANDROID)
 #include "chrome/browser/ui/zoom/chrome_zoom_level_prefs.h"
 #endif
 
 #if defined(OS_POSIX) && !defined(OS_MACOSX) && !defined(OS_ANDROID)
 #include "chrome/browser/themes/theme_service.h"
 #include "chrome/browser/themes/theme_service_factory.h"
 #endif
 
-#if defined(OS_WIN)
-#include "base/win/windows_version.h"
-#endif
-
 using content::WebContents;
 using content::WebPreferences;
 
 DEFINE_WEB_CONTENTS_USER_DATA_KEY(PrefsTabHelper);
 
 namespace {
 
 // The list of prefs we want to observe.
 const char* const kPrefsToObserve[] = {
 #if BUILDFLAG(ENABLE_EXTENSIONS)
@@ skipping 84 matching lines @@
 
 #if defined(OS_WIN)
 // On Windows with antialising we want to use an alternate fixed font like
 // Consolas, which looks much better than Courier New.
 bool ShouldUseAlternateDefaultFixedFont(const std::string& script) {
   if (!base::StartsWith(script, "courier",
                         base::CompareCase::INSENSITIVE_ASCII))
     return false;
   UINT smooth_type = 0;
   SystemParametersInfo(SPI_GETFONTSMOOTHINGTYPE, 0, &smooth_type, 0);
-  return (base::win::GetVersion() >= base::win::VERSION_WIN7) &&
-         (smooth_type == FE_FONTSMOOTHINGCLEARTYPE);
+  return smooth_type == FE_FONTSMOOTHINGCLEARTYPE;
 }
 #endif
 
 struct FontDefault {
   const char* pref_name;
   int resource_id;
 };
 
 // Font pref defaults.  The prefs that have defaults vary by platform, since not
 // all platforms have fonts for all scripts for all generic families.
@@ skipping 501 matching lines @@
 }
 
 void PrefsTabHelper::NotifyWebkitPreferencesChanged(
     const std::string& pref_name) {
 #if !defined(OS_ANDROID)
   OnFontFamilyPrefChanged(pref_name);
 #endif
 
   web_contents_->GetRenderViewHost()->OnWebkitPreferencesChanged();
 }