Move enable_webrtc to a buildflag header.

chrome/common/url_constants.h

 // 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.
 
 // Contains constants for known URLs and portions thereof.
 
 #ifndef CHROME_COMMON_URL_CONSTANTS_H_
 #define CHROME_COMMON_URL_CONSTANTS_H_
 
 #include <stddef.h>
 
 #include <string>
 #include <vector>
 
 #include "build/build_config.h"
 #include "chrome/common/features.h"
 #include "content/public/common/url_constants.h"
+#include "media/media_features.h"
 #include "printing/features/features.h"
 
 namespace chrome {
 
 // chrome: URLs (including schemes). Should be kept in sync with the
 // components below.
 extern const char kChromeUIAboutURL[];
 extern const char kChromeUIAppsURL[];
 extern const char kChromeUIAppListStartPageURL[];
 extern const char kChromeUIBookmarksURL[];
@@ skipping 94 matching lines @@
 #endif  // defined(OS_CHROMEOS)
 
 #if defined(OS_WIN)
 extern const char kChromeUIMetroFlowURL[];
 #endif
 
 #if (defined(OS_LINUX) && defined(TOOLKIT_VIEWS)) || defined(USE_AURA)
 extern const char kChromeUITabModalConfirmDialogURL[];
 #endif
 
-#if defined(ENABLE_WEBRTC)
+#if BUILDFLAG(ENABLE_WEBRTC)
 extern const char kChromeUIWebRtcLogsURL[];
 #endif
 
 #if defined(ENABLE_MEDIA_ROUTER)
 extern const char kChromeUIMediaRouterURL[];
 #if defined(OS_WIN) || defined(OS_MACOSX) || defined(OS_CHROMEOS)
 extern const char kChromeUICastURL[];
 #endif
 #endif
 
@@ skipping 163 matching lines @@
 #endif  // defined(OS_CHROMEOS)
 
 #if defined(OS_WIN)
 extern const char kChromeUIMetroFlowHost[];
 #endif
 
 #if (defined(OS_LINUX) && defined(TOOLKIT_VIEWS)) || defined(USE_AURA)
 extern const char kChromeUITabModalConfirmDialogHost[];
 #endif
 
-#if defined(ENABLE_WEBRTC)
+#if BUILDFLAG(ENABLE_WEBRTC)
 extern const char kChromeUIWebRtcLogsHost[];
 #endif
 
 #if defined(ENABLE_MEDIA_ROUTER)
 extern const char kChromeUIMediaRouterHost[];
 #if defined(OS_WIN) || defined(OS_MACOSX) || defined(OS_CHROMEOS)
 extern const char kChromeUICastHost[];
 #endif
 #endif
 
@@ skipping 279 matching lines @@
 extern const char kChooserUsbOverviewURL[];
 
 #if defined(OS_CHROMEOS)
 // The URL for EOL notification
 extern const char kEolNotificationURL[];
 #endif
 
 }  // namespace chrome
 
 #endif  // CHROME_COMMON_URL_CONSTANTS_H_