Always consider SystemUI for panning boundaries in split-screen mode

remoting/android/java/src/org/chromium/chromoting/SystemUiVisibilityChangedEventParameter.java

 // 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.
 
 package org.chromium.chromoting;
 
 /**
  * The parameter for the OnSystemUiVisibilityChanged event.
  *
  * {@link android.graphics.Rect} is mutable, so this class owns four integers to represent the
  * inset between the System UI elements which is used for our viewable content.
  */
 public final class SystemUiVisibilityChangedEventParameter {
-    public final boolean softInputMethodVisible;
-    public final boolean systemUiVisible;
     public final int left;
     public final int top;
     public final int right;
     public final int bottom;
 
-    public SystemUiVisibilityChangedEventParameter(boolean systemUiVisible,
-            boolean softInputMethodVisible, int left, int top, int right, int bottom) {
-        this.systemUiVisible = systemUiVisible;
-        this.softInputMethodVisible = softInputMethodVisible;
+    public SystemUiVisibilityChangedEventParameter(int left, int top, int right, int bottom) {
         this.left = left;
         this.top = top;
         this.right = right;
         this.bottom = bottom;
     }
 }