Bug 754299 - Update gcMaxMallocBytes of existing compartments in JSRuntime::setGCMaxMallocBytes. r=billm

js/src/jscntxt.cpp

@@ -1099,6 +1099,14 @@ JSContext::runningWithTrustedPrincipals() const
     return !compartment || compartment->principals == runtime->trustedPrincipals();
 }
 
+void
+JSRuntime::setGCMaxMallocBytes(size_t value)
+{
+   gcMaxMallocBytes = value;
+   for (CompartmentsIter c(this); !c.done(); c.next())
+       c->setGCMaxMallocBytes(value);
+}
+
 void
 JSRuntime::updateMallocCounter(JSContext *cx, size_t nbytes)
 {

js/src/jscntxt.h

@@ -852,9 +852,7 @@ struct JSRuntime : js::RuntimeFriendFields
     JS_DECLARE_NEW_METHODS(malloc_, JS_ALWAYS_INLINE)
     JS_DECLARE_DELETE_METHODS(free_, JS_ALWAYS_INLINE)
 
-    void setGCMaxMallocBytes(size_t value) {
-        gcMaxMallocBytes = value;
-    }
+    void setGCMaxMallocBytes(size_t value);
 
     /*
      * Call this after allocating memory held by GC things, to update memory