Add a chrome://webapks page.

chrome/browser/ui/webui/webapk_info_callback.h

Index: chrome/browser/ui/webui/webapk_info_callback.h
diff --git a/chrome/browser/ui/webui/webapk_info_callback.h b/chrome/browser/ui/webui/webapk_info_callback.h
new file mode 100644
index 0000000000000000000000000000000000000000..38fce7db3c3d2017548ee2b19b59060bfab56e0e
--- /dev/null
+++ b/chrome/browser/ui/webui/webapk_info_callback.h
@@ -0,0 +1,52 @@
+// Copyright 2016 The Chromium Authors. All rights reserved.

[hartmanng, 2017/01/13 15:40:21]

s/2016/2017/

[gonzalon, 2017/01/13 20:24:39]

Done.

+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef CHROME_BROWSER_UI_WEBUI_WEBAPK_INFO_CALLBACK_H_
+#define CHROME_BROWSER_UI_WEBUI_WEBAPK_INFO_CALLBACK_H_
+
+#include "base/android/jni_weak_ref.h"
+#include "base/android/scoped_java_ref.h"
+#include "base/callback.h"
+
+// A callback wrapper for fetching information regarding the Web APKs installed

[hartmanng, 2017/01/13 15:40:21]

s/Web APKs/WebAPKs/

[gonzalon, 2017/01/13 20:24:39]

Done.

+// on the Android device.
+class WebapkInfoCallback {
+ public:
+  explicit WebapkInfoCallback(
+      const base::RepeatingCallback<void(std::string, std::string, int, int)>&
+          callback);
+  ~WebapkInfoCallback();
+
+  // Destroys this object.
+  void Destroy(JNIEnv* env, const base::android::JavaParamRef<jobject>& obj);
+
+  // Called by Java code with information about a Web APK. It will be called
+  // once for each one installed in the device.
+  void OnWebApkFound(JNIEnv* env,
+                     const base::android::JavaParamRef<jobject>& obj,
+                     const base::android::JavaParamRef<jstring>& name,
+                     const base::android::JavaParamRef<jstring>& package_name,
+                     const jint j_shell_apk_version,
+                     const jint j_version_code) const;
+
+  // The Java counterpart of this object.
+  const base::android::ScopedJavaGlobalRef<jobject>& j_webapk_info_callback()
+      const {
+    return j_webapk_info_callback_;
+  }
+
+  // JNI registration.
+  static bool Register(JNIEnv* env);
+
+ private:
+  // The wrapped native filter.
+  base::RepeatingCallback<void(std::string, std::string, int, int)> callback_;
+
+  // The Java counterpart of this C++ object.
+  base::android::ScopedJavaGlobalRef<jobject> j_webapk_info_callback_;
+
+  DISALLOW_COPY_AND_ASSIGN(WebapkInfoCallback);
+};
+
+#endif  // CHROME_BROWSER_UI_WEBUI_WEBAPK_INFO_CALLBACK_H_