Tied up BlimpNavigationController to NavigationFeature

blimp/client/core/BUILD.gn

 # 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.
 
 if (is_android) {
   import("//build/config/android/config.gni")
   import("//build/config/android/rules.gni")
 }
 
 source_set("core") {
@@ skipping 34 matching lines @@
 
   sources = [
     "blimp_contents_impl_unittest.cc",
     "blimp_navigation_controller_impl_unittest.cc",
   ]
 
   deps = [
     "//base",
     "//blimp/client/core",
     "//blimp/client/core/public",
+    "//testing/gmock",
     "//testing/gtest",
     "//url",
   ]
 }
 
 if (is_android) {
   android_library("core_java") {
     visibility = [ "//blimp/*" ]
 
     java_files = [
@@ skipping 13 matching lines @@
     sources = [
       "android/java/src/org/chromium/blimp/core/BlimpContentsFactory.java",
       "android/java/src/org/chromium/blimp/core/BlimpContentsImpl.java",
       "android/java/src/org/chromium/blimp/core/BlimpContentsObserverProxy.java",
       "android/java/src/org/chromium/blimp/core/BlimpNavigationControllerImpl.java",
     ]
 
     jni_package = "blimp"
   }
 }