Auto-dismiss http auth dialogs on navigation for Android.

BUG=884179

Change-Id: I18287e9c641045d5a74f3804e06ca17485e38957
Reviewed-on: https://chromium-review.googlesource.com/1227482
Commit-Queue: Ted Choc <tedchoc@chromium.org>
Reviewed-by: Yaron Friedman <yfriedman@chromium.org>
Cr-Commit-Position: refs/heads/master@{#591747}
void ChromeHttpAuthHandler::CancelAuth(JNIEnv* env,
                                       const JavaParamRef<jobject>&) {
  if (observer_)
    observer_->CancelAuth();
}

void ChromeHttpAuthHandler::CancelAuth(JNIEnv* env,
                                       const JavaParamRef<jobject>&) {
  if (observer_)
    observer_->CancelAuth();
}
