UI for the Data Saver InfoBar Promo

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

Index: chrome/android/java/src/org/chromium/chrome/browser/infobar/DataReductionPromoInfoBarDelegate.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/infobar/DataReductionPromoInfoBarDelegate.java b/chrome/android/java/src/org/chromium/chrome/browser/infobar/DataReductionPromoInfoBarDelegate.java
new file mode 100644
index 0000000000000000000000000000000000000000..20a3067384b0ffd2ceb656b7978a583dc0bcdf5c
--- /dev/null
+++ b/chrome/android/java/src/org/chromium/chrome/browser/infobar/DataReductionPromoInfoBarDelegate.java
@@ -0,0 +1,71 @@
+// Copyright 2016 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 android.content.Context;
+
+import org.chromium.base.ContextUtils;
+import org.chromium.base.annotations.CalledByNative;
+import org.chromium.chrome.R;
+import org.chromium.chrome.browser.net.spdyproxy.DataReductionProxySettings;
+import org.chromium.chrome.browser.preferences.datareduction.DataReductionProxyUma;
+import org.chromium.content_public.browser.WebContents;
+import org.chromium.ui.widget.Toast;
+
+/**
+ * Provides JNI methods for DataReductionPromoInfoBar.
+ */
+public class DataReductionPromoInfoBarDelegate {
+    /**
+     * Launches the {@link InfoBar}.
+     *
+     * @param webContents The {@link WebContents} in which to launch the {@link InfoBar}.
+     */
+    static void launch(WebContents webContents) {
+        nativeLaunch(webContents);
+    }
+
+    private DataReductionPromoInfoBarDelegate() {
+    }
+
+    /**
+     * Creates and begins the process for showing a DataReductionProxyInfoBarDelegate.
+     */
+    @CalledByNative
+    private static InfoBar showPromoInfoBar() {
+        return new DataReductionPromoInfoBar();
+    }
+
+    /**
+     * Enables the data reduction proxy, records uma, and shows a confirmation toast.
+     *
+     * @param isPrimaryButton Whether the primary infobar button was clicked.
+     * @param context An Android context.
+     */
+    @CalledByNative
+    private static void accept() {
+        Context context = ContextUtils.getApplicationContext();
+        DataReductionProxyUma
+                .dataReductionProxyUIAction(DataReductionProxyUma.ACTION_INFOBAR_ENABLED);
+        DataReductionProxySettings.getInstance().setDataReductionProxyEnabled(
+                context, true);
+        Toast.makeText(context,
+                context.getString(R.string.data_reduction_enabled_toast),
+                Toast.LENGTH_LONG).show();
+    }
+
+    /**
+     * When the infobar closes and the data reduction proxy is not enabled, record that the infobar
+     * was dismissed.
+     */
+    @CalledByNative
+    private static void onNativeDestroyed() {
+        if (DataReductionProxySettings.getInstance().isDataReductionProxyEnabled()) return;
+        DataReductionProxyUma
+                .dataReductionProxyUIAction(DataReductionProxyUma.ACTION_INFOBAR_DISMISSED);
+    }
+
+    private static native void nativeLaunch(WebContents webContents);
+}