Add a test runner for android_webview.

android_webview/native/aw_browser_dependency_factory.cc

+// Copyright (c) 2012 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 "android_webview/native/aw_browser_dependency_factory.h"
+
+#include "base/logging.h"
+
+namespace android_webview {
+
+namespace {
+
+AwBrowserDependencyFactory* g_instance = NULL;
+
+}  // namespace
+
+AwBrowserDependencyFactory::AwBrowserDependencyFactory() {}
+
+AwBrowserDependencyFactory::~AwBrowserDependencyFactory() {}
+
+// static
+void AwBrowserDependencyFactory::SetInstance(
+    AwBrowserDependencyFactory* delegate) {
+  g_instance = delegate;
+}
+
+// static
+AwBrowserDependencyFactory* AwBrowserDependencyFactory::GetInstance() {
+  DCHECK(g_instance);  // Must always be confirgured on startup.
+  return g_instance;
+}
+
+}  // namespace android_webview
+