Support autopresenting WebVr content.

chrome/android/java/src/org/chromium/chrome/browser/ChromeTabbedActivity.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.ActivityManager;
@@ skipping 849 matching lines @@
                 boolean ignoreIncognitoFiles = !hadCipherData;
                 mTabModelSelectorImpl.loadState(ignoreIncognitoFiles);
             }
 
             mIntentWithEffect = false;
             if ((mIsOnFirstRun || getSavedInstanceState() == null) && intent != null) {
                 if (!mIntentHandler.shouldIgnoreIntent(intent)) {
                     mIntentWithEffect = mIntentHandler.onNewIntent(intent);
                 }
 
+                // We send this intent so that we can enter WebVr presentation mode if needed.

[mthiesse, 2017/05/11 14:25:17]

This should probably live in ChromeActivity in case we want to support
autopresent from other activities in the future as well.

[ymalik, 2017/05/11 17:22:56]

Totally. At first I was worried because the first run bit only exists in
ChromeTabbedActivity, but we probably don't want to autopresent after a first
run anyway, so this is easy. Done.

+                VrShellDelegate.onNewIntent(this, getIntent());
+
                 if (isMainIntentFromLauncher(intent)) {
                     if (IntentHandler.getUrlFromIntent(intent) == null) {
                         assert !mIntentWithEffect
                                 : "ACTION_MAIN should not have triggered any prior action";
                         mIntentWithEffect = maybeLaunchNtpFromMainIntent(intent);
                     }
                     logMainIntentBehavior(intent);
                 }
             }
 
@@ skipping 1160 matching lines @@
             if (info.id == sMergedInstanceTaskId) return true;
         }
         return false;
     }
 
     @Override
     public boolean supportsFullscreenActivity() {
         return true;
     }
 }