Remove redundant field initialization in Java code.

chrome/android/java/src/org/chromium/chrome/browser/share/ShareHelper.java

 // Copyright 2014 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.share;
 
 import android.annotation.TargetApi;
 import android.app.Activity;
 import android.app.PendingIntent;
 import android.content.BroadcastReceiver;
@@ skipping 81 matching lines @@
     private static final long COMPONENT_INFO_READ_TIMEOUT_IN_MS = 1000;
 
     /**
      * Directory name for shared images.
      *
      * Named "screenshot" for historical reasons as we only initially shared screenshot images.
      */
     private static final String SHARE_IMAGES_DIRECTORY_NAME = "screenshot";
 
     /** Force the use of a Chrome-specific intent chooser, not the system chooser. */
-    private static boolean sForceCustomChooserForTesting = false;
+    private static boolean sForceCustomChooserForTesting;
 
     /** If non-null, will be used instead of the real activity. */
     private static FakeIntentReceiver sFakeIntentReceiverForTesting;
 
     private ShareHelper() {}
 
     private static void fireIntent(Activity activity, Intent intent) {
         if (sFakeIntentReceiverForTesting != null) {
             Context context = activity.getApplicationContext();
             sFakeIntentReceiverForTesting.fireIntent(context, intent);
@@ skipping 561 matching lines @@
     }
 
     private static ComponentName getLastShareComponentName() {
         SharedPreferences preferences = ContextUtils.getAppSharedPreferences();
         String packageName = preferences.getString(PACKAGE_NAME_KEY, null);
         String className = preferences.getString(CLASS_NAME_KEY, null);
         if (packageName == null || className == null) return null;
         return new ComponentName(packageName, className);
     }
 }