[Blimp] Adds blimp engine browser test framework and LoadUrl test.

blimp/client/feature/mock_navigation_feature_delegate.cc

Index: blimp/client/feature/mock_navigation_feature_delegate.cc
diff --git a/blimp/client/feature/mock_navigation_feature_delegate.cc b/blimp/client/feature/mock_navigation_feature_delegate.cc
new file mode 100644
index 0000000000000000000000000000000000000000..6be14db835c2d08bcf96e02485d35d5ddc81f50e
--- /dev/null
+++ b/blimp/client/feature/mock_navigation_feature_delegate.cc
@@ -0,0 +1,18 @@
+// Copyright 2016 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 "blimp/client/feature/mock_navigation_feature_delegate.h"
+
+#include "third_party/skia/include/core/SkBitmap.h"
+#include "url/gurl.h"
+
+namespace blimp {
+namespace client {
+
+MockNavigationFeatureDelegate::MockNavigationFeatureDelegate() {}
+
+MockNavigationFeatureDelegate::~MockNavigationFeatureDelegate() {}
+
+}  // namespace client
+}  // namespace blimp