Add notification of data reduction proxy field trial

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

Index: chrome/android/java/src/org/chromium/chrome/browser/infobar/DataReductionProxyInfoBarDelegate.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/infobar/DataReductionProxyInfoBarDelegate.java b/chrome/android/java/src/org/chromium/chrome/browser/infobar/DataReductionProxyInfoBarDelegate.java
new file mode 100644
index 0000000000000000000000000000000000000000..4cbbd6ff6ac373290524d8a4434c2410f0e1a218
--- /dev/null
+++ b/chrome/android/java/src/org/chromium/chrome/browser/infobar/DataReductionProxyInfoBarDelegate.java
@@ -0,0 +1,47 @@
+// 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.base.CalledByNative;
+import org.chromium.chrome.browser.ResourceId;
+import org.chromium.content_public.browser.WebContents;
+
+/**
+ * Provides JNI methods for DataReductionProxyInfoBars.
+ */
+public class DataReductionProxyInfoBarDelegate {
+    /**
+     * Launches the {@link InfoBar}.
+     * @param webContents The {@link WebContents} in which to laucnh the {@link InfoBar}.
+     */
+    static void launch(WebContents webContents) {
+        nativeLaunch(webContents);
+    }
+
+    private DataReductionProxyInfoBarDelegate() {
+    }
+
+    @CalledByNative
+    public static DataReductionProxyInfoBarDelegate create() {
+        return new DataReductionProxyInfoBarDelegate();
+    }
+
+    /**
+     * Creates and begins the process for showing a DataReductionProxyInfoBarDelegate.
+     * @param nativeInfoBar Pointer to the C++ InfoBar corresponding to the Java InfoBar.
+     * @param enumeratedIconId ID corresponding to the icon that will be shown for the InfoBar.
+     *                         The ID must have been mapped using the ResourceMapper class before
+     *                         passing it to this function.
+     */
+    @CalledByNative
+    InfoBar showDataReductionProxyInfoBar(long nativeInfoBar, int enumeratedIconId) {
+        int drawableId = ResourceId.mapToDrawableId(enumeratedIconId);
+        DataReductionProxyInfoBar infoBar = new DataReductionProxyInfoBar(
+                nativeInfoBar, drawableId);
+        return infoBar;
+    }
+
+    protected static native void nativeLaunch(WebContents webContents);
+}