[WebAPKs] Show minibar when WebAPK navigates outside scope specified in Web Manifest

chrome/android/java/src/org/chromium/chrome/browser/webapps/WebApkBrowserControlsDelegate.java

Index: chrome/android/java/src/org/chromium/chrome/browser/webapps/WebApkBrowserControlsDelegate.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/webapps/WebApkBrowserControlsDelegate.java b/chrome/android/java/src/org/chromium/chrome/browser/webapps/WebApkBrowserControlsDelegate.java
new file mode 100644
index 0000000000000000000000000000000000000000..254dd8b549d6ea1a9ba4319fee54390c0fc56fce
--- /dev/null
+++ b/chrome/android/java/src/org/chromium/chrome/browser/webapps/WebApkBrowserControlsDelegate.java
@@ -0,0 +1,19 @@
+// Copyright 2017 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.webapps;
+
+import org.chromium.chrome.browser.tab.Tab;
+import org.chromium.chrome.browser.util.UrlUtilities;
+
+class WebApkBrowserControlsDelegate extends WebappBrowserControlsDelegate {
+    public WebApkBrowserControlsDelegate(WebappActivity activity, Tab tab) {
+        super(activity, tab);
+    }
+
+    @Override
+    protected boolean shouldShowBrowserControlsForUrl(WebappInfo info, String url) {
+        return !UrlUtilities.isUrlWithinScope(url, info.scopeUri().toString());
+    }
+}