Remove redundant field initialization in Java code.

chrome/android/java/src/org/chromium/chrome/browser/compositor/bottombar/contextualsearch/ContextualSearchBarControl.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.compositor.bottombar.contextualsearch;
 
 import android.content.Context;
 import android.view.ViewGroup;
 
 import org.chromium.base.ApiCompatibilityUtils;
@@ skipping 47 matching lines @@
 
     /**
      * The {@link ContextualSearchImageControl} for the panel.
      */
     private ContextualSearchImageControl mImageControl;
 
     /**
      * The opacity of the Bar's Search Context.
      * This text control may not be initialized until the opacity is set beyond 0.
      */
-    private float mSearchBarContextOpacity = 0.f;
+    private float mSearchBarContextOpacity;
 
     /**
      * The opacity of the Bar's Search Term.
      * This text control may not be initialized until the opacity is set beyond 0.
      */
-    private float mSearchBarTermOpacity = 0.f;
+    private float mSearchBarTermOpacity;
 
     // Dimensions used for laying out the search bar.
     private final float mTextLayerMinHeight;
     private final float mTermCaptionSpacing;
 
     /**
      * The visibility percentage for the divider line ranging from 0.f to 1.f.
      */
     private float mDividerLineVisibilityPercentage;
 
@@ skipping 501 matching lines @@
         }
     }
 
     @Override
     public void onPropertyAnimationFinished(AnimationType prop) {
         if (prop == AnimationType.TOUCH_HIGHLIGHT_VISIBILITY) {
             mTouchHighlightVisible = false;
         }
     }
 }