From fb9a3df8f48e98df829a8c15982a5a0d26f1b22e Mon Sep 17 00:00:00 2001
From: Ms2ger <ms2ger@gmail.com>
Date: Sat, 29 Oct 2011 22:13:31 +0200
Subject: [PATCH] Bug 694867 - Part b: Pass a JSScript to
 nsXULPrototypeScript::Set; r=volkmar

---
 content/xul/content/src/nsXULElement.cpp   | 7 ++++---
 content/xul/content/src/nsXULElement.h     | 4 ++--
 content/xul/document/src/nsXULDocument.cpp | 7 ++++---
 dom/base/nsDOMScriptObjectHolder.h         | 5 +++++
 4 files changed, 15 insertions(+), 8 deletions(-)

diff --git a/content/xul/content/src/nsXULElement.cpp b/content/xul/content/src/nsXULElement.cpp
index a8a3ce282241..01833e1d7620 100644
--- a/content/xul/content/src/nsXULElement.cpp
+++ b/content/xul/content/src/nsXULElement.cpp
@@ -3039,7 +3039,8 @@ nsXULPrototypeScript::DeserializeOutOfLine(nsIObjectInputStream* aInput,
 
             if (useXULCache) {
                 PRUint32 newLangID = nsIProgrammingLanguage::UNKNOWN;
-                void *newScriptObject = cache->GetScript(mSrcURI, &newLangID);
+                JSScript* newScriptObject =
+                    static_cast<JSScript*>(cache->GetScript(mSrcURI, &newLangID));
                 if (newScriptObject) {
                     // Things may blow here if we simply change the script
                     // language - other code may already have pre-fetched the
@@ -3170,7 +3171,7 @@ nsXULPrototypeScript::UnlinkJSObjects()
 }
 
 void
-nsXULPrototypeScript::Set(void *aObject)
+nsXULPrototypeScript::Set(JSScript* aObject)
 {
     NS_ASSERTION(!mScriptObject.mObject, "Leaking script object.");
     if (!aObject) {
@@ -3184,7 +3185,7 @@ nsXULPrototypeScript::Set(void *aObject)
                                                    &NS_CYCLE_COLLECTION_NAME(nsXULPrototypeNode),
                                                    aObject, false);
     if (NS_SUCCEEDED(rv)) {
-        mScriptObject.mObject = static_cast<JSScript*>(aObject);
+        mScriptObject.mObject = aObject;
     }
 }
 
diff --git a/content/xul/content/src/nsXULElement.h b/content/xul/content/src/nsXULElement.h
index dc7fa555e65d..85627351467e 100644
--- a/content/xul/content/src/nsXULElement.h
+++ b/content/xul/content/src/nsXULElement.h
@@ -342,9 +342,9 @@ public:
                      "Wrong language, this will leak the previous object.");
 
         mScriptObject.mLangID = aHolder.getScriptTypeID();
-        Set((void*)aHolder);
+        Set(aHolder.getScript());
     }
-    void Set(void *aObject);
+    void Set(JSScript* aObject);
 
     struct ScriptObjectHolder
     {
diff --git a/content/xul/document/src/nsXULDocument.cpp b/content/xul/document/src/nsXULDocument.cpp
index 04ec6d97c430..92c5c3ff598a 100644
--- a/content/xul/document/src/nsXULDocument.cpp
+++ b/content/xul/document/src/nsXULDocument.cpp
@@ -3383,10 +3383,11 @@ nsXULDocument::LoadScript(nsXULPrototypeScript* aScriptProto, bool* aBlock)
 
     if (isChromeDoc && useXULCache) {
         PRUint32 fetchedLang = nsIProgrammingLanguage::UNKNOWN;
-        void *newScriptObject =
-            nsXULPrototypeCache::GetInstance()->GetScript(
+        JSScript* newScriptObject =
+            static_cast<JSScript*>(
+                nsXULPrototypeCache::GetInstance()->GetScript(
                                    aScriptProto->mSrcURI,
-                                   &fetchedLang);
+                                   &fetchedLang));
         if (newScriptObject) {
             // The script language for a proto must remain constant - we
             // can't just change it for this unexpected language.
diff --git a/dom/base/nsDOMScriptObjectHolder.h b/dom/base/nsDOMScriptObjectHolder.h
index d4dad35f1138..cbcefec4fef0 100644
--- a/dom/base/nsDOMScriptObjectHolder.h
+++ b/dom/base/nsDOMScriptObjectHolder.h
@@ -42,6 +42,8 @@
 #include "nsIScriptContext.h"
 #include "nsIDOMScriptObjectFactory.h"
 
+#include "jspubtd.h"
+
 // A thin class used to help with script object memory management.  No virtual
 // functions and a fully inline implementation should keep the cost down.
 // [Note that a fully inline implementation is necessary for use by other
@@ -81,6 +83,9 @@ public:
   operator void *() const {
     return mObject;
   }
+  JSScript* getScript() const {
+    return static_cast<JSScript*>(mObject);
+  }
 
   // Drop the script object - but *not* the nsIScriptContext.
   nsresult drop() {