Remove unused DataReductionProxyInfoBar and related code

chrome/android/java/src/org/chromium/chrome/browser/infobar/DataReductionProxyInfoBar.java

Index: chrome/android/java/src/org/chromium/chrome/browser/infobar/DataReductionProxyInfoBar.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/infobar/DataReductionProxyInfoBar.java b/chrome/android/java/src/org/chromium/chrome/browser/infobar/DataReductionProxyInfoBar.java
deleted file mode 100644
index d87b7dde07e8442a7a9eca31a5dfda9f0e0acfd3..0000000000000000000000000000000000000000
--- a/chrome/android/java/src/org/chromium/chrome/browser/infobar/DataReductionProxyInfoBar.java
+++ /dev/null
@@ -1,43 +0,0 @@
-// 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.infobar;
-
-import org.chromium.content_public.browser.WebContents;
-
-/**
- * Generates an InfoBar for the data reduction proxy that contains a message and a link to the
- * data reduction proxy settings menu.
- */
-public class DataReductionProxyInfoBar extends ConfirmInfoBar {
-    private static String sTitle;
-    private static String sLinkText;
-
-    /**
-     * Launch a data reduction proxy {@link InfoBar} with the specified title and link
-     * text. Clicking the link will open the specified settings page.
-     * @param webContents The {@link WebContents} in which to open the {@link InfoBar}.
-     * @param title The text to display in the {@link InfoBar}.
-     * @param linkText The text to display in the link in the {@link InfoBar}.
-     * @param linkUrl The URL to be loaded when the link text is clicked.
-     */
-    public static void launch(WebContents webContents,
-            String title,
-            String linkText,
-            String linkUrl) {
-        sTitle = title;
-        sLinkText = linkText;
-        DataReductionProxyInfoBarDelegate.launch(webContents, linkUrl);
-    }
-
-    DataReductionProxyInfoBar(int iconDrawableId) {
-        super(iconDrawableId, null, sTitle, sLinkText, null, null);
-    }
-
-    @Override
-    public void onButtonClicked(boolean isPrimaryButton) {
-        if (!isPrimaryButton) return;
-        onLinkClicked();
-    }
-}