Adds end-to-end tests for VrShell navigation transitions.

chrome/browser/android/vr_shell/vr_shell.h

 // 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.
 
 #ifndef CHROME_BROWSER_ANDROID_VR_SHELL_VR_SHELL_H_
 #define CHROME_BROWSER_ANDROID_VR_SHELL_VR_SHELL_H_
 
 #include <jni.h>
 
 #include <memory>
@@ skipping 74 matching lines @@
   void OnTriggerEvent(JNIEnv* env,
                       const base::android::JavaParamRef<jobject>& obj);
   void OnPause(JNIEnv* env, const base::android::JavaParamRef<jobject>& obj);
   void OnResume(JNIEnv* env, const base::android::JavaParamRef<jobject>& obj);
   void SetSurface(JNIEnv* env,
                   const base::android::JavaParamRef<jobject>& obj,
                   const base::android::JavaParamRef<jobject>& surface);
   void SetWebVrMode(JNIEnv* env,
                     const base::android::JavaParamRef<jobject>& obj,
                     bool enabled);
+  bool GetWebVrMode(JNIEnv* env,
+                    const base::android::JavaParamRef<jobject>& obj);
   void OnLoadProgressChanged(JNIEnv* env,
                              const base::android::JavaParamRef<jobject>& obj,
                              double progress);
   void OnTabListCreated(JNIEnv* env,
                         const base::android::JavaParamRef<jobject>& obj,
                         jobjectArray tabs,
                         jobjectArray incognito_tabs);
   void OnTabUpdated(JNIEnv* env,
                     const base::android::JavaParamRef<jobject>& obj,
                     jboolean incognito,
@@ skipping 115 matching lines @@
   base::WeakPtrFactory<VrShell> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(VrShell);
 };
 
 bool RegisterVrShell(JNIEnv* env);
 
 }  // namespace vr_shell
 
 #endif  // CHROME_BROWSER_ANDROID_VR_SHELL_VR_SHELL_H_