Move enable_webrtc to a buildflag header.

chrome/browser/browser_process_impl.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.
 
 // When each service is created, we set a flag indicating this. At this point,
 // the service initialization could fail or succeed. This allows us to remember
 // if we tried to create a service, and not try creating it over and over if
 // the creation failed.
 
 #ifndef CHROME_BROWSER_BROWSER_PROCESS_IMPL_H_
 #define CHROME_BROWSER_BROWSER_PROCESS_IMPL_H_
 
 #include <stdint.h>
 
 #include <memory>
 #include <string>
 
 #include "base/debug/stack_trace.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/threading/non_thread_safe.h"
 #include "base/timer/timer.h"
 #include "build/build_config.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/lifetime/keep_alive_state_observer.h"
 #include "chrome/common/features.h"
 #include "components/prefs/pref_change_registrar.h"
 #include "extensions/features/features.h"
+#include "media/media_features.h"
 #include "printing/features/features.h"
 
 class ChromeChildProcessWatcher;
 class ChromeDeviceClient;
 class ChromeResourceDispatcherHostDelegate;
 class DevToolsAutoOpener;
 class RemoteDebuggingServer;
 class PrefRegistrySimple;
 
 #if BUILDFLAG(ENABLE_PLUGIN_INSTALLATION)
@@ skipping 101 matching lines @@
 
   net_log::ChromeNetLog* net_log() override;
   component_updater::ComponentUpdateService* component_updater() override;
   CRLSetFetcher* crl_set_fetcher() override;
   component_updater::PnaclComponentInstaller* pnacl_component_installer()
       override;
   component_updater::SupervisedUserWhitelistInstaller*
   supervised_user_whitelist_installer() override;
   MediaFileSystemRegistry* media_file_system_registry() override;
   bool created_local_state() const override;
-#if defined(ENABLE_WEBRTC)
+#if BUILDFLAG(ENABLE_WEBRTC)
   WebRtcLogUploader* webrtc_log_uploader() override;
 #endif
   network_time::NetworkTimeTracker* network_time_tracker() override;
   gcm::GCMDriver* gcm_driver() override;
   memory::TabManager* GetTabManager() override;
   shell_integration::DefaultWebClientState CachedDefaultWebClientState()
       override;
   PhysicalWebDataSource* GetPhysicalWebDataSource() override;
 
   static void RegisterPrefs(PrefRegistrySimple* registry);
@@ skipping 159 matching lines @@
 #if BUILDFLAG(ENABLE_PLUGIN_INSTALLATION)
   std::unique_ptr<PluginsResourceService> plugins_resource_service_;
 #endif
 
   std::unique_ptr<BrowserProcessPlatformPart> platform_part_;
 
   // TODO(eroman): Remove this when done debugging 113031. This tracks
   // the callstack which released the final module reference count.
   base::debug::StackTrace release_last_reference_callstack_;
 
-#if defined(ENABLE_WEBRTC)
+#if BUILDFLAG(ENABLE_WEBRTC)
   // Lazily initialized.
   std::unique_ptr<WebRtcLogUploader> webrtc_log_uploader_;
 #endif
 
   std::unique_ptr<network_time::NetworkTimeTracker> network_time_tracker_;
 
   std::unique_ptr<gcm::GCMDriver> gcm_driver_;
 
   std::unique_ptr<ChromeChildProcessWatcher> child_process_watcher_;
 
   std::unique_ptr<ChromeDeviceClient> device_client_;
 
 #if defined(OS_WIN) || defined(OS_MACOSX) || defined(OS_LINUX)
   // Any change to this #ifdef must be reflected as well in
   // chrome/browser/memory/tab_manager_browsertest.cc
   std::unique_ptr<memory::TabManager> tab_manager_;
 #endif
 
   shell_integration::DefaultWebClientState cached_default_web_client_state_;
 
   std::unique_ptr<PhysicalWebDataSource> physical_web_data_source_;
 
   DISALLOW_COPY_AND_ASSIGN(BrowserProcessImpl);
 };
 
 #endif  // CHROME_BROWSER_BROWSER_PROCESS_IMPL_H_