Autopresent WebVR content in CCT if it was opened by a Daydream Intent

chrome/android/java/src/org/chromium/chrome/browser/ChromeActivity.java

 // Copyright 2015 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.
 
 package org.chromium.chrome.browser;
 
 import android.annotation.SuppressLint;
 import android.annotation.TargetApi;
 import android.app.Activity;
 import android.app.SearchManager;
@@ skipping 614 matching lines @@
         };
 
         if (mAssistStatusHandler != null) {
             mAssistStatusHandler.setTabModelSelector(mTabModelSelector);
         }
 
         mTabModelsInitialized = true;
     }
 
     /**
+     * @return Whether this activity should automatically present WebVR content in fullscreen
+     *         binocular rendering mode. Normally, presentation needs a user gesture.
+     */
+    public boolean shouldAutoPresent() {
+        return false;
+    }
+
+    /**
      * @return The {@link TabModelSelector} owned by this {@link ChromeActivity}.
      */
     protected abstract TabModelSelector createTabModelSelector();
 
     /**
      * @return The {@link org.chromium.chrome.browser.tabmodel.TabCreatorManager.TabCreator}s owned
      *         by this {@link ChromeActivity}.  The first item in the Pair is the normal model tab
      *         creator, and the second is the tab creator for incognito tabs.
      */
     protected abstract Pair<? extends TabCreator, ? extends TabCreator> createTabCreators();
@@ skipping 1502 matching lines @@
      * draw over VR contents should be hidden in this call.
      */
     public void onEnterVr() {}
 
     /**
      * Called when VR mode using this activity is exited. Any state set for VR should be restored
      * in this call, including showing 2D UI that was hidden.
      */
     public void onExitVr() {}
 }