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

chrome/browser/android/vr_shell/vr_shell.cc

Index: chrome/browser/android/vr_shell/vr_shell.cc
diff --git a/chrome/browser/android/vr_shell/vr_shell.cc b/chrome/browser/android/vr_shell/vr_shell.cc
index 1917ddbef19bccb8195c63e9dc0a1d1bd400e840..d09aeb974e062d44ac0f681e9c7016db858ac099 100644
--- a/chrome/browser/android/vr_shell/vr_shell.cc
+++ b/chrome/browser/android/vr_shell/vr_shell.cc
@@ -262,7 +262,7 @@ void VrShell::SetSurface(JNIEnv* env,
 }
 
 void VrShell::SetWebVrMode(JNIEnv* env,
-                           const base::android::JavaParamRef<jobject>& obj,
+                           const JavaParamRef<jobject>& obj,
                            bool enabled) {
   webvr_mode_ = enabled;
   if (metrics_helper_)
@@ -276,6 +276,10 @@ void VrShell::SetWebVrMode(JNIEnv* env,
                                      gl_thread_->GetSceneManager(), enabled));
 }
 
+bool VrShell::GetWebVrMode(JNIEnv* env, const JavaParamRef<jobject>& obj) {
+  return webvr_mode_;
+}
+
 void VrShell::OnLoadProgressChanged(JNIEnv* env,
                                     const JavaParamRef<jobject>& obj,
                                     double progress) {
@@ -560,7 +564,7 @@ void VrShell::RegisterGamepadDataFetcher(
 
 jlong Init(JNIEnv* env,
            const JavaParamRef<jobject>& obj,
-           const base::android::JavaParamRef<jobject>& delegate,
+           const JavaParamRef<jobject>& delegate,
            jlong window_android,
            jboolean for_web_vr,
            jlong gvr_api,