Switch tabs from VR shell.

chrome/browser/android/vr_shell/vr_shell_delegate.cc

 // 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 "chrome/browser/android/vr_shell/vr_shell_delegate.h"
 
 #include <utility>
 
 #include "base/android/jni_android.h"
 #include "chrome/browser/android/vr_shell/non_presenting_gvr_delegate.h"
@@ skipping 100 matching lines @@
   }
 }
 
 void VrShellDelegate::OnResume(JNIEnv* env,
                                const JavaParamRef<jobject>& obj) {
   if (non_presenting_delegate_) {
     non_presenting_delegate_->Resume();
   }
 }
 
+void VrShellDelegate::ShowTab(int id) {
+  JNIEnv* env = AttachCurrentThread();
+  Java_VrShellDelegate_showTab(env, j_vr_shell_delegate_.obj(), id);
+}
+
 void VrShellDelegate::SetDeviceProvider(
     device::GvrDeviceProvider* device_provider) {
   CHECK(!device_provider_);
   device_provider_ = device_provider;
   if (!delegate_)
     CreateNonPresentingDelegate();
   device_provider_->Device()->OnDelegateChanged();
 }
 
 void VrShellDelegate::ClearDeviceProvider() {
@@ skipping 69 matching lines @@
 
 bool RegisterVrShellDelegate(JNIEnv* env) {
   return RegisterNativesImpl(env);
 }
 
 jlong Init(JNIEnv* env, const JavaParamRef<jobject>& obj) {
   return reinterpret_cast<intptr_t>(new VrShellDelegate(env, obj));
 }
 
 }  // namespace vr_shell