Move getBrowserUserAgent() under ChromiumApplication

chrome/android/java/src/org/chromium/chrome/browser/ChromiumApplication.java

 // Copyright 2013 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 org.chromium.base.CalledByNative;
 import org.chromium.content.app.ContentApplication;
 
 /**
@@ skipping 35 matching lines @@
     /**
      * @return Whether parental controls are enabled.  Returning true will disable
      *         incognito mode.
      */
     @CalledByNative
     protected abstract boolean areParentalControlsEnabled();
 
     // TODO(yfriedman): This is too widely available. Plumb this through ChromeNetworkDelegate
     // instead.
     protected abstract PKCS11AuthenticationManager getPKCS11AuthenticationManager();
+
+    /**
+     * @return The user agent string of Chrome.
+     */
+    public static String getBrowserUserAgent() {
+        return nativeGetBrowserUserAgent();
+    }
+
+    private static native String nativeGetBrowserUserAgent();
 }