Re-enables webVR presentation from Android multi-window mode

chrome/android/java/src/org/chromium/chrome/browser/vr_shell/VrShellDelegate.java

Index: chrome/android/java/src/org/chromium/chrome/browser/vr_shell/VrShellDelegate.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/vr_shell/VrShellDelegate.java b/chrome/android/java/src/org/chromium/chrome/browser/vr_shell/VrShellDelegate.java
index 6feb3f6da18d54b9f7bf02fb3072da8cbe8dc75d..d8a976b9d7e3fee0a86f7330c70b2ac2373221e7 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/vr_shell/VrShellDelegate.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/vr_shell/VrShellDelegate.java
@@ -38,7 +38,6 @@ import org.chromium.chrome.browser.ChromeFeatureList;
 import org.chromium.chrome.browser.ChromeTabbedActivity;
 import org.chromium.chrome.browser.infobar.InfoBarIdentifier;
 import org.chromium.chrome.browser.infobar.SimpleConfirmInfoBarBuilder;
-import org.chromium.chrome.browser.multiwindow.MultiWindowUtils;
 import org.chromium.chrome.browser.tab.Tab;
 import org.chromium.chrome.browser.tabmodel.TabModelSelector;
 
@@ -501,10 +500,6 @@ public class VrShellDelegate implements ApplicationStatus.ActivityStateListener,
         if (tab.isShowingSadTab()) {
             return false;
         }
-        // crbug.com/667781
-        if (MultiWindowUtils.getInstance().isInMultiWindowMode(mActivity)) {
-            return false;
-        }
         return true;
     }