Revert "Move precompilation-related flags to flags list."

runtime/vm/dart_api_impl.cc

Index: runtime/vm/dart_api_impl.cc
diff --git a/runtime/vm/dart_api_impl.cc b/runtime/vm/dart_api_impl.cc
index 1cff0aa27a6c5a1301a46220766b8b64d0c5f7c3..4c270910708f8af6f617226666a21e9a47f99ec0 100644
--- a/runtime/vm/dart_api_impl.cc
+++ b/runtime/vm/dart_api_impl.cc
@@ -51,6 +51,8 @@ namespace dart {
 #define Z (T->zone())
 
 
+DECLARE_FLAG(bool, load_deferred_eagerly);
+DECLARE_FLAG(bool, precompilation);
 DECLARE_FLAG(bool, print_class_table);
 DECLARE_FLAG(bool, verify_handles);
 #if defined(DART_NO_SNAPSHOT)
@@ -1145,7 +1147,7 @@ DART_EXPORT char* Dart_Initialize(
     Dart_FileCloseCallback file_close,
     Dart_EntropySource entropy_source,
     Dart_GetVMServiceAssetsArchive get_service_assets) {
-  if ((instructions_snapshot != NULL) && !FLAG_precompiled_mode) {
+  if ((instructions_snapshot != NULL) && !FLAG_precompilation) {
     return strdup("Flag --precompilation was not specified.");
   }
   if (interrupt != NULL) {
@@ -6098,7 +6100,7 @@ DART_EXPORT Dart_Handle Dart_Precompile(
     bool reset_fields) {
   API_TIMELINE_BEGIN_END;
   DARTSCOPE(Thread::Current());
-  if (!FLAG_precompiled_mode) {
+  if (!FLAG_precompilation) {
     return Dart_NewApiError("Flag --precompilation was not specified.");
   }
   Dart_Handle result = Api::CheckAndFinalizePendingClasses(T);