Bug 734472 - Pass JSObject to nsIScriptContext::SetProperty; r=jst

dom/base/nsIScriptContext.h

@@ -76,8 +76,8 @@ NS_DEFINE_STATIC_IID_ACCESSOR(nsIScriptContextPrincipal,
                               NS_ISCRIPTCONTEXTPRINCIPAL_IID)
 
 #define NS_ISCRIPTCONTEXT_IID \
-{ 0xb0eca8ac, 0x2a77, 0x4d04, \
-  { 0xaf, 0x71, 0xca, 0x86, 0x98, 0xa4, 0xc3, 0xe7 } }
+{ 0x6a536a37, 0x9773, 0x467e, \
+  { 0x93, 0xb2, 0xdb, 0xe6, 0xe6, 0xec, 0x24, 0xc3 } }
 
 /* This MUST match JSVERSION_DEFAULT.  This version stuff if we don't
    know what language we have is a little silly... */
@@ -401,7 +401,7 @@ public:
 
   // SetProperty is suspect and jst believes should not be needed.  Currenly
   // used only for "arguments".
-  virtual nsresult SetProperty(void *aTarget, const char *aPropName, nsISupports *aVal) = 0;
+  virtual nsresult SetProperty(JSObject* aTarget, const char* aPropName, nsISupports* aVal) = 0;
   /** 
    * Called to set/get information if the script context is
    * currently processing a script tag

dom/base/nsJSEnvironment.cpp

@@ -2293,7 +2293,7 @@ nsJSContext::InitializeExternalClasses()
 }
 
 nsresult
-nsJSContext::SetProperty(void *aTarget, const char *aPropName, nsISupports *aArgs)
+nsJSContext::SetProperty(JSObject* aTarget, const char* aPropName, nsISupports* aArgs)
 {
   PRUint32  argc;
   jsval    *argv = nsnull;
@@ -2302,8 +2302,8 @@ nsJSContext::SetProperty(void *aTarget, const char *aPropName, nsISupports *aArg
 
   Maybe<nsRootedJSValueArray> tempStorage;
 
-  nsresult rv;
-  rv = ConvertSupportsTojsvals(aArgs, GetNativeGlobal(), &argc, &argv, tempStorage);
+  nsresult rv =
+    ConvertSupportsTojsvals(aArgs, GetNativeGlobal(), &argc, &argv, tempStorage);
   NS_ENSURE_SUCCESS(rv, rv);
 
   jsval vargs;
@@ -2327,11 +2327,9 @@ nsJSContext::SetProperty(void *aTarget, const char *aPropName, nsISupports *aArg
 
   // Make sure to use JS_DefineProperty here so that we can override
   // readonly XPConnect properties here as well (read dialogArguments).
-  rv = ::JS_DefineProperty(mContext, reinterpret_cast<JSObject *>(aTarget),
-                           aPropName, vargs, nsnull, nsnull, 0) ?
-       NS_OK : NS_ERROR_FAILURE;
-
-  return rv;
+  return JS_DefineProperty(mContext, aTarget, aPropName, vargs, NULL, NULL, 0)
+    ? NS_OK
+    : NS_ERROR_FAILURE;
 }
 
 nsresult
@@ -2360,7 +2358,7 @@ nsJSContext::ConvertSupportsTojsvals(nsISupports *aArgs,
 
   if (!aArgs)
     return NS_OK;
-  PRUint32 argCtr, argCount;
+  PRUint32 argCount;
   // This general purpose function may need to convert an arg array
   // (window.arguments, event-handler args) and a generic property.
   nsCOMPtr<nsIArray> argsArray(do_QueryInterface(aArgs));
@@ -2381,7 +2379,7 @@ nsJSContext::ConvertSupportsTojsvals(nsISupports *aArgs,
   jsval *argv = aTempStorage.ref().Elements();
 
   if (argsArray) {
-    for (argCtr = 0; argCtr < argCount && NS_SUCCEEDED(rv); argCtr++) {
+    for (PRUint32 argCtr = 0; argCtr < argCount && NS_SUCCEEDED(rv); argCtr++) {
       nsCOMPtr<nsISupports> arg;
       jsval *thisval = argv + argCtr;
       argsArray->QueryElementAt(argCtr, NS_GET_IID(nsISupports),

dom/base/nsJSEnvironment.h

@@ -151,7 +151,7 @@ public:
   virtual bool GetScriptsEnabled();
   virtual void SetScriptsEnabled(bool aEnabled, bool aFireTimeouts);
 
-  virtual nsresult SetProperty(void *aTarget, const char *aPropName, nsISupports *aVal);
+  virtual nsresult SetProperty(JSObject* aTarget, const char* aPropName, nsISupports* aVal);
 
   virtual bool GetProcessingScriptTag();
   virtual void SetProcessingScriptTag(bool aResult);