[Extensions] Expand bindings access checks

BUG=601149
BUG=601073

Review URL: https://codereview.chromium.org/1866103002

Cr-Commit-Position: refs/heads/master@{#387710}
void CrashOnException(const v8::TryCatch& trycatch) {
  NOTREACHED();
};

void CrashOnException(const v8::TryCatch& trycatch) {
  NOTREACHED();
};
