Enable RL by default

components/reading_list/core/reading_list_switches.cc

Index: components/reading_list/core/reading_list_switches.cc
diff --git a/components/reading_list/core/reading_list_switches.cc b/components/reading_list/core/reading_list_switches.cc
index 4fa0804a589c8c4c2ac667a973db2515ce55366c..d6aba34c584cd88aaa4551c640e662bd7fea6737 100644
--- a/components/reading_list/core/reading_list_switches.cc
+++ b/components/reading_list/core/reading_list_switches.cc
@@ -6,23 +6,12 @@
 
 #include "build/build_config.h"
 #include "base/command_line.h"
+#include "components/reading_list/core/reading_list_enable_flags.h"
 
 namespace reading_list {
 namespace switches {
-// Enables the reading list.
-const char kEnableReadingList[] = "enable-reading-list";
-
-// Disables the reading list.
-const char kDisableReadingList[] = "disable-reading-list";
-
 bool IsReadingListEnabled() {
-  // Reading list is only enabled on iOS.
-#if defined(OS_IOS)
-  if (base::CommandLine::ForCurrentProcess()->HasSwitch(kEnableReadingList)) {
-    return true;
-  }
-#endif
-  return false;
+  return BUILDFLAG(ENABLE_READING_LIST);
 }
 }  // namespace switches
 }  // namespace reading_list