Move enable_webrtc to a buildflag header.

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 27 matching lines @@
 #include "components/prefs/pref_service.h"
 #include "components/proxy_config/proxy_config_pref_names.h"
 #include "components/strings/grit/components_locale_settings.h"
 #include "content/public/browser/notification_details.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/browser/render_view_host.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/common/renderer_preferences.h"
 #include "content/public/common/web_preferences.h"
 #include "extensions/features/features.h"
+#include "media/media_features.h"
 #include "third_party/icu/source/common/unicode/uchar.h"
 #include "third_party/icu/source/common/unicode/uscript.h"
 #include "ui/base/l10n/l10n_util.h"
 
 #if defined(OS_POSIX) && !defined(OS_MACOSX) && defined(ENABLE_THEMES)
 #include "chrome/browser/themes/theme_service.h"
 #include "chrome/browser/themes/theme_service_factory.h"
 #endif
 
 #if defined(OS_WIN)
@@ skipping 282 matching lines @@
  public:
   explicit PrefWatcher(Profile* profile) : profile_(profile) {
     pref_change_registrar_.Init(profile_->GetPrefs());
 
     base::Closure renderer_callback = base::Bind(
         &PrefWatcher::UpdateRendererPreferences, base::Unretained(this));
     pref_change_registrar_.Add(prefs::kAcceptLanguages, renderer_callback);
     pref_change_registrar_.Add(prefs::kEnableDoNotTrack, renderer_callback);
     pref_change_registrar_.Add(prefs::kEnableReferrers, renderer_callback);
 
-#if defined(ENABLE_WEBRTC)
+#if BUILDFLAG(ENABLE_WEBRTC)
     pref_change_registrar_.Add(prefs::kWebRTCMultipleRoutesEnabled,
                                renderer_callback);
     pref_change_registrar_.Add(prefs::kWebRTCNonProxiedUdpEnabled,
                                renderer_callback);
     pref_change_registrar_.Add(prefs::kWebRTCIPHandlingPolicy,
                                renderer_callback);
     pref_change_registrar_.Add(prefs::kWebRTCUDPPortRange, renderer_callback);
 #endif
 
 #if !defined(OS_MACOSX)
@@ skipping 311 matching lines @@
 }
 
 void PrefsTabHelper::NotifyWebkitPreferencesChanged(
     const std::string& pref_name) {
 #if !defined(OS_ANDROID)
   OnFontFamilyPrefChanged(pref_name);
 #endif
 
   web_contents_->GetRenderViewHost()->OnWebkitPreferencesChanged();
 }