Bug 935203: Don't leak ScriptSources if we error out before a ScriptSourceObject can take ownership of them. r=djvj
Bug 935203: Consolidate initialization of ScriptSource from CompileOptions. r=djvj
Bug 935203: Provide introductionType information for all sources of JS in SpiderMonkey. r=djvj
Bug 935203: Provide introductionType information for JS code appearing in event handlers. r=bz