Show a Google "G" in the omnibox on the New Tab Page.

chrome/android/java/src/org/chromium/chrome/browser/ntp/NewTabPageView.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.ntp;
 
 import android.annotation.SuppressLint;
 import android.content.Context;
 import android.content.res.Configuration;
 import android.graphics.Canvas;
@@ skipping 278 matching lines @@
         TraceEvent.end(TAG + ".initialize()");
     }
 
     /**
      * Sets up the hint text and event handlers for the search box text view.
      */
     private void initializeSearchBoxTextView() {
         TraceEvent.begin(TAG + ".initializeSearchBoxTextView()");
         final TextView searchBoxTextView = (TextView) mSearchBoxView
                 .findViewById(R.id.search_box_text);
+
+        if (!ChromeFeatureList.isEnabled(ChromeFeatureList.NTP_SHOW_GOOGLE_G_IN_OMNIBOX)) {
+            // Not using the relative version of this call because we only want to clear
+            // the drawables.
+            searchBoxTextView.setCompoundDrawables(null, null, null, null);
+        }
+
         String hintText = getResources().getString(R.string.search_or_type_url);
-
         if (!DeviceFormFactor.isTablet(getContext()) || mManager.isFakeOmniboxTextEnabledTablet()) {
             searchBoxTextView.setHint(hintText);
         } else {
             searchBoxTextView.setContentDescription(hintText);
         }
         searchBoxTextView.setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View v) {
                 mManager.focusSearchBox(false, null);
             }
@@ skipping 537 matching lines @@
     @Override
     public void onLoadTaskAdded() {
         mPendingLoadTasks++;
     }
 
     @Override
     public void onLoadTaskCompleted() {
         loadTaskCompleted();
     }
 }