Don't try to enter VR onResume for Cardboard 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 f6b90c180c750d977f303365565c0b4f040069be..2e3e2cbad595bcfc484b0ba3c1f2e16cfe444584 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
@@ -336,7 +336,8 @@ public class VrShellDelegate {
             } finally {
                 StrictMode.setThreadPolicy(oldPolicy);
             }
-        } else if (mLastVRExit + REENTER_VR_TIMEOUT_MS > SystemClock.uptimeMillis()) {
+        } else if (mVrDaydreamApi.isDaydreamCurrentViewer()
+                && mLastVRExit + REENTER_VR_TIMEOUT_MS > SystemClock.uptimeMillis()) {
             enterVRIfNecessary();
         }
     }