Simplify reload error reporting

runtime/vm/isolate.cc

Index: runtime/vm/isolate.cc
diff --git a/runtime/vm/isolate.cc b/runtime/vm/isolate.cc
index 6674d94567fa46d2c1348f8afcc37f6888f4ea2a..bf3b924f10a55f4152e85e76f7e6450ae988fc9a 100644
--- a/runtime/vm/isolate.cc
+++ b/runtime/vm/isolate.cc
@@ -660,12 +660,6 @@ static MessageHandler::MessageStatus StoreError(Thread* thread,
 
 MessageHandler::MessageStatus IsolateMessageHandler::ProcessUnhandledException(
     const Error& result) {
-  NOT_IN_PRODUCT(
-    if (I->IsReloading()) {
-      I->ReportReloadError(result);
-      return kOK;
-    }
-  )
   // Generate the error and stacktrace strings for the error message.
   String& exc_str = String::Handle(T->zone());
   String& stacktrace_str = String::Handle(T->zone());
@@ -1089,12 +1083,6 @@ bool Isolate::CanReload() const {
 
 
 #ifndef PRODUCT
-void Isolate::ReportReloadError(const Error& error) {
-  ASSERT(IsReloading());
-  reload_context_->AbortReload(error);
-}
-
-
 bool Isolate::ReloadSources(JSONStream* js,
                             bool force_reload,
                             bool dont_delete_reload_context) {