Implement instant apps infobar.

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

Index: chrome/android/java/src/org/chromium/chrome/browser/infobar/InstantAppsInfoBarDelegate.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/infobar/InstantAppsInfoBarDelegate.java b/chrome/android/java/src/org/chromium/chrome/browser/infobar/InstantAppsInfoBarDelegate.java
new file mode 100644
index 0000000000000000000000000000000000000000..1a6d8145a737e886412a5ad5aa5d266ce9bb7ed7
--- /dev/null
+++ b/chrome/android/java/src/org/chromium/chrome/browser/infobar/InstantAppsInfoBarDelegate.java
@@ -0,0 +1,47 @@
+// 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.graphics.Bitmap;
+
+import org.chromium.base.annotations.CalledByNative;
+import org.chromium.chrome.browser.instantapps.InstantAppsBannerData;
+import org.chromium.content_public.browser.WebContents;
+
+import java.net.URI;
+
+/**
+ * Delegate for {@link InstantAppsInfoBar}. Use launch() method to display the infobar.
+ */
+public class InstantAppsInfoBarDelegate {
+
+    private InstantAppsBannerData mData;
+
+    public static void launch(WebContents webContents, String appName, Bitmap appIcon) {
+        String hostname = "";
+        try {
+            URI uri = URI.create(webContents.getUrl());
+            hostname = uri.getRawAuthority();
+        } catch (IllegalArgumentException e) {
+            // not able to parse the URL.
+        }
+        InstantAppsBannerData data = new InstantAppsBannerData(appName, appIcon, hostname);
+        nativeLaunch(webContents, data);
+    }
+
+    @CalledByNative
+    private static InstantAppsInfoBarDelegate create() {
+        return new InstantAppsInfoBarDelegate();
+    }
+
+    private InstantAppsInfoBarDelegate() {}
+
+    @CalledByNative
+    private void openInstantApp() {
+        // TODO(mariakhomenko): launch instant app intent
+    }
+
+    private static native void nativeLaunch(WebContents webContents, InstantAppsBannerData data);
+}