Issue #618 - Don't preload nomodule scripts when modules are enabled

Ref: BZ 1382020

1 files changed, 13 insertions, 4 deletions

diff --git a/parser/html/nsHtml5SpeculativeLoad.h b/parser/html/nsHtml5SpeculativeLoad.h
index fcc84de4f6..1f4a617416 100644
--- a/parser/html/nsHtml5SpeculativeLoad.h
+++ b/parser/html/nsHtml5SpeculativeLoad.h
@@ -10,7 +10,8 @@
 
 class nsHtml5TreeOpExecutor;
 
-enum eHtml5SpeculativeLoad {
+enum eHtml5SpeculativeLoad
+{
 #ifdef DEBUG
   eSpeculativeLoadUninitialized,
 #endif
@@ -23,6 +24,8 @@ enum eHtml5SpeculativeLoad {
   eSpeculativeLoadPictureSource,
   eSpeculativeLoadScript,
   eSpeculativeLoadScriptFromHead,
+  eSpeculativeLoadNoModuleScript,
+  eSpeculativeLoadNoModuleScriptFromHead,
   eSpeculativeLoadStyle,
   eSpeculativeLoadManifest,
   eSpeculativeLoadSetDocumentCharset,
@@ -130,12 +133,18 @@ class nsHtml5SpeculativeLoad {
                            nsHtml5String aIntegrity,
                            bool aParserInHead,
                            bool aAsync,
-                           bool aDefer)
+                           bool aDefer,
+                           bool aNoModule)
     {
       NS_PRECONDITION(mOpCode == eSpeculativeLoadUninitialized,
                       "Trying to reinitialize a speculative load!");
-      mOpCode = aParserInHead ?
-          eSpeculativeLoadScriptFromHead : eSpeculativeLoadScript;
+      if (aNoModule) {
+          mOpCode = aParserInHead ? eSpeculativeLoadNoModuleScriptFromHead
+                                  : eSpeculativeLoadNoModuleScript;
+      } else {
+          mOpCode = aParserInHead ? eSpeculativeLoadScriptFromHead
+                                  : eSpeculativeLoadScript;
+      }
       aUrl.ToString(mUrl);
       aCharset.ToString(mCharset);
       aType.ToString(mTypeOrCharsetSourceOrDocumentMode);