Move enable_webrtc to a buildflag header.

chrome/browser/chrome_browser_main.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/chrome_browser_main.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <set>
@@ skipping 141 matching lines @@
 #include "content/public/browser/notification_types.h"
 #include "content/public/browser/site_instance.h"
 #include "content/public/common/content_client.h"
 #include "content/public/common/content_features.h"
 #include "content/public/common/content_switches.h"
 #include "content/public/common/main_function_params.h"
 #include "device/geolocation/geolocation_delegate.h"
 #include "device/geolocation/geolocation_provider.h"
 #include "extensions/features/features.h"
 #include "media/base/media_resources.h"
+#include "media/media_features.h"
 #include "net/base/net_module.h"
 #include "net/cookies/cookie_monster.h"
 #include "net/http/http_network_layer.h"
 #include "net/http/http_stream_factory.h"
 #include "net/url_request/url_request.h"
 #include "printing/features/features.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/base/layout.h"
 #include "ui/base/material_design/material_design_controller.h"
 #include "ui/base/resource/resource_bundle.h"
@@ skipping 72 matching lines @@
 
 #if BUILDFLAG(ENABLE_PRINT_PREVIEW) && !defined(OFFICIAL_BUILD)
 #include "printing/printed_document.h"
 #endif  // BUILDFLAG(ENABLE_PRINT_PREVIEW) && !defined(OFFICIAL_BUILD)
 
 #if defined(ENABLE_RLZ)
 #include "chrome/browser/rlz/chrome_rlz_tracker_delegate.h"
 #include "components/rlz/rlz_tracker.h"
 #endif  // defined(ENABLE_RLZ)
 
-#if defined(ENABLE_WEBRTC)
+#if BUILDFLAG(ENABLE_WEBRTC)
 #include "chrome/browser/media/webrtc/webrtc_log_util.h"
-#endif  // defined(ENABLE_WEBRTC)
+#endif  // BUILDFLAG(ENABLE_WEBRTC)
 
 #if defined(USE_AURA)
 #include "ui/aura/env.h"
 #endif  // defined(USE_AURA)
 
 #if !defined(OS_ANDROID)
 #include "chrome/browser/usb/web_usb_detector.h"
 #endif
 
 #if defined(USE_AURA)
@@ skipping 1109 matching lines @@
 }
 
 void ChromeBrowserMainParts::PostBrowserStart() {
   TRACE_EVENT0("startup", "ChromeBrowserMainParts::PostBrowserStart");
   for (size_t i = 0; i < chrome_extra_parts_.size(); ++i)
     chrome_extra_parts_[i]->PostBrowserStart();
 #if !defined(OS_ANDROID)
   // Allow ProcessSingleton to process messages.
   process_singleton_->Unlock();
 #endif  // !defined(OS_ANDROID)
-#if defined(ENABLE_WEBRTC)
+#if BUILDFLAG(ENABLE_WEBRTC)
   // Set up a task to delete old WebRTC log files for all profiles. Use a delay
   // to reduce the impact on startup time.
   BrowserThread::PostDelayedTask(
       BrowserThread::UI,
       FROM_HERE,
       base::Bind(&WebRtcLogUtil::DeleteOldWebRtcLogFilesForAllProfiles),
       base::TimeDelta::FromMinutes(1));
-#endif  // defined(ENABLE_WEBRTC)
+#endif  // BUILDFLAG(ENABLE_WEBRTC)
 
 #if !defined(OS_ANDROID)
   if (base::FeatureList::IsEnabled(features::kWebUsb)) {
     web_usb_detector_.reset(new WebUsbDetector());
     BrowserThread::PostAfterStartupTask(
         FROM_HERE, BrowserThread::GetTaskRunnerForThread(BrowserThread::UI),
         base::Bind(&WebUsbDetector::Initialize,
                    base::Unretained(web_usb_detector_.get())));
   }
 #endif
@@ skipping 687 matching lines @@
   chromeos::CrosSettings::Shutdown();
 #endif  // defined(OS_CHROMEOS)
 #endif  // defined(OS_ANDROID)
 }
 
 // Public members:
 
 void ChromeBrowserMainParts::AddParts(ChromeBrowserMainExtraParts* parts) {
   chrome_extra_parts_.push_back(parts);
 }