bug 629655 - avoid influencing the malloc GC counters when dumping the heap. r=anygregor

js/src/jsapi.cpp

@@ -2361,8 +2361,7 @@ DumpNotify(JSTracer *trc, void *thing, uint32 kind)
     }
 
     edgeNameSize = strlen(edgeName) + 1;
-    node = (JSHeapDumpNode *)
+    node = (JSHeapDumpNode *) js_malloc(offsetof(JSHeapDumpNode, edgeName) + edgeNameSize);
-        cx->malloc(offsetof(JSHeapDumpNode, edgeName) + edgeNameSize);
     if (!node) {
         dtrc->ok = JS_FALSE;
         return;
@@ -2514,7 +2513,7 @@ JS_DumpHeap(JSContext *cx, FILE *fp, void* startThing, uint32 startKind,
         for (;;) {
             next = node->next;
             parent = node->parent;
-            cx->free(node);
+            js_free(node);
             node = next;
             if (node)
                 break;