Move enable_webrtc to a buildflag header.

chrome/browser/browsing_data/browsing_data_remover.cc

Index: chrome/browser/browsing_data/browsing_data_remover.cc
diff --git a/chrome/browser/browsing_data/browsing_data_remover.cc b/chrome/browser/browsing_data/browsing_data_remover.cc
index 806c873df368c201dc6eb8667279856c78f70635..aa079bed836955fb529b7c928a283252d3b62260 100644
--- a/chrome/browser/browsing_data/browsing_data_remover.cc
+++ b/chrome/browser/browsing_data/browsing_data_remover.cc
@@ -80,6 +80,7 @@
 #include "content/public/browser/storage_partition.h"
 #include "content/public/browser/user_metrics.h"
 #include "extensions/features/features.h"
+#include "media/media_features.h"
 #include "net/base/net_errors.h"
 #include "net/cookies/cookie_store.h"
 #include "net/http/http_network_session.h"
@@ -125,7 +126,7 @@
 #include "components/user_manager/user.h"
 #endif
 
-#if defined(ENABLE_WEBRTC)
+#if BUILDFLAG(ENABLE_WEBRTC)
 #include "chrome/browser/media/webrtc/webrtc_log_list.h"
 #include "chrome/browser/media/webrtc/webrtc_log_util.h"
 #endif
@@ -666,7 +667,7 @@ void BrowsingDataRemover::RemoveImpl(
         data_manager->Refresh();
     }
 
-#if defined(ENABLE_WEBRTC)
+#if BUILDFLAG(ENABLE_WEBRTC)
     waiting_for_clear_webrtc_logs_ = true;
     BrowserThread::PostTaskAndReply(
         BrowserThread::FILE, FROM_HERE,
@@ -1285,7 +1286,7 @@ bool BrowsingDataRemover::AllDone() {
          !waiting_for_clear_precache_history_ &&
          !waiting_for_clear_offline_page_data_ &&
 #endif
-#if defined(ENABLE_WEBRTC)
+#if BUILDFLAG(ENABLE_WEBRTC)
          !waiting_for_clear_webrtc_logs_ &&
 #endif
          !waiting_for_clear_storage_partition_data_ &&
@@ -1526,7 +1527,7 @@ void BrowsingDataRemover::OnClearedStoragePartitionData() {
   NotifyIfDone();
 }
 
-#if defined(ENABLE_WEBRTC)
+#if BUILDFLAG(ENABLE_WEBRTC)
 void BrowsingDataRemover::OnClearedWebRtcLogs() {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
   waiting_for_clear_webrtc_logs_ = false;