Use ChromeAutocompleteSchemeClassifier for Athena on Chrome.

athena/content/chrome/scheme_classifier_factory.cc

+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "athena/content/public/scheme_classifier_factory.h"
+
+#include "chrome/browser/autocomplete/chrome_autocomplete_scheme_classifier.h"
+#include "chrome/browser/profiles/profile.h"
+
+namespace athena {
+
+scoped_ptr<AutocompleteSchemeClassifier> CreateSchemeClassifier(
+    content::BrowserContext* context) {
+  return scoped_ptr<AutocompleteSchemeClassifier>(
+      new ChromeAutocompleteSchemeClassifier(
+          Profile::FromBrowserContext(context)));
+}
+
+}  // namespace athena