Fix compile error when AUTOSIZING_DOM_DEBUG_INFO is defined.

the argument WebTraceLocation is missed when calling postTask().
See the definition of postTask in Document.h:
void postTask(const WebTraceLocation&, std::unique_ptr<ExecutionContextTask>, const String& taskNameForInstrumentation = emptyString()) override;

BUG=

Review-Url: https://codereview.chromium.org/2270683002
Cr-Commit-Position: refs/heads/master@{#414046}
2 files changed