Use related_applications manifest fields when showing native app banners

chrome/browser/android/banners/app_banner_manager_android.h

 // Copyright 2015 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.
 
 #ifndef CHROME_BROWSER_ANDROID_BANNERS_APP_BANNER_MANAGER_ANDROID_H_
 #define CHROME_BROWSER_ANDROID_BANNERS_APP_BANNER_MANAGER_ANDROID_H_
 
 #include "base/android/jni_android.h"
 #include "base/android/jni_weak_ref.h"
 #include "base/memory/weak_ptr.h"
@@ skipping 29 matching lines @@
 
   // Called when the Java-side has retrieved information for the app.
   // Returns |false| if an icon fetch couldn't be kicked off.
   bool OnAppDetailsRetrieved(JNIEnv* env,
                              jobject obj,
                              jobject japp_data,
                              jstring japp_title,
                              jstring japp_package,
                              jstring jicon_url);
 
-  // WebContentsObserver overrides.
-  bool OnMessageReceived(const IPC::Message& message) override;
-
-  // AppBannerDataFetcher::Delegate overrides.
-  bool OnInvalidManifest(AppBannerDataFetcher* fetcher) override;
-
  protected:
   AppBannerDataFetcher* CreateAppBannerDataFetcher(
       base::WeakPtr<AppBannerDataFetcher::Delegate> weak_delegate,
       const int ideal_icon_size) override;
 
  private:
-  // Called when the renderer has returned information about the meta tag.
-  // If there is some metadata for the play store tag, this kicks off the
-  // process of showing a banner for the package designated by |tag_content| on
-  // the page at the |expected_url|.
-  void OnDidRetrieveMetaTagContent(bool success,
-                                   const std::string& tag_name,
-                                   const std::string& tag_content,
-                                   const GURL& expected_url);
+  // AppBannerDataFetcher::Delegate overrides.
+  bool HandleNonWebApp(const std::string& platform,
+                       const GURL& url,
+                       const std::string& id) override;
 
   // AppBannerManager on the Java side.
   JavaObjectWeakGlobalRef weak_java_banner_view_manager_;
 
   DISALLOW_COPY_AND_ASSIGN(AppBannerManagerAndroid);
 };  // class AppBannerManagerAndroid
 
 }  // namespace banners
 
 #endif  // CHROME_BROWSER_ANDROID_BANNERS_APP_BANNER_MANAGER_ANDROID_H_