Android: Remove GetApplicationContext part 4

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 2156 matching lines @@
 
     private void setLowEndTheme() {
         if (getThemeId() == R.style.MainTheme_LowEnd) setTheme(R.style.MainTheme_LowEnd);
     }
 
     /**
      * Records UMA histograms for the current screen width. Should only be called when the activity
      * is in Android N multi-window mode.
      */
     protected void recordMultiWindowModeScreenWidth() {
-        if (!DeviceFormFactor.isTablet(this)) return;
+        if (!DeviceFormFactor.isTablet()) return;
 
         RecordHistogram.recordBooleanHistogram(
                 "Android.MultiWindowMode.IsTabletScreenWidthBelow600",
                 mScreenWidthDp < DeviceFormFactor.MINIMUM_TABLET_WIDTH_DP);
 
         if (mScreenWidthDp < DeviceFormFactor.MINIMUM_TABLET_WIDTH_DP) {
             RecordHistogram.recordLinearCountHistogram(
                     "Android.MultiWindowMode.TabletScreenWidth", mScreenWidthDp, 1,
                     DeviceFormFactor.MINIMUM_TABLET_WIDTH_DP, 50);
         }
@@ skipping 29 matching lines @@
         return false;
     }
 
     /**
      * @return the reference pool for this activity.
      */
     public DiscardableReferencePool getReferencePool() {
         return mReferencePool;
     }
 }