Use manifest for streamlined hosted app creation for title and URL.

chrome/browser/extensions/bookmark_app_helper.h

 // Copyright 2014 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_EXTENSIONS_BOOKMARK_APP_HELPER_H_
 #define CHROME_BROWSER_EXTENSIONS_BOOKMARK_APP_HELPER_H_
 
 #include <map>
 #include <set>
 #include <vector>
 
 #include "base/callback.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "chrome/common/web_application_info.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
+#include "content/public/common/manifest.h"
 
 class ExtensionService;
 class FaviconDownloader;
 class SkBitmap;
 
 namespace content {
 class BrowserContext;
 class WebContents;
 }
 
 namespace extensions {
 class CrxInstaller;
 class Extension;
 
 // A helper class for creating bookmark apps from a WebContents.
 class BookmarkAppHelper : public content::NotificationObserver {
  public:
   typedef base::Callback<void(const Extension*, const WebApplicationInfo&)>
       CreateBookmarkAppCallback;
 
   // This helper class will create a bookmark app out of |web_app_info| and
   // install it to |service|. Icons will be downloaded from the URLs in
   // |web_app_info.icons| using |contents| if |contents| is not NULL.
   // All existing icons from WebApplicationInfo will also be used.
   BookmarkAppHelper(ExtensionService* service,
                     WebApplicationInfo web_app_info,
                     content::WebContents* contents);
   virtual ~BookmarkAppHelper();
 
+  // Update the given WebApplicationInfo with information from the manifest.
+  static void UpdateWebAppInfoFromManifest(const content::Manifest& manifest,
+                                           WebApplicationInfo* web_app_info);
+
   // This finds the closest not-smaller bitmap in |bitmaps| for each size in
   // |sizes| and resizes it to that size. This returns a map of sizes to bitmaps
   // which contains only bitmaps of a size in |sizes| and at most one bitmap of
   // each size.
   static std::map<int, SkBitmap> ConstrainBitmapsToSizes(
       const std::vector<SkBitmap>& bitmaps,
       const std::set<int>& sizes);
 
   // Adds a square container icon of |output_size| pixels to |bitmaps| by
   // drawing the given |letter| into a rounded background of |color|.
   // Does nothing if an icon of |output_size| already exists in |bitmaps|.
   static void GenerateIcon(std::map<int, SkBitmap>* bitmaps,
                            int output_size,
                            SkColor color,
                            char letter);
 
   // Begins the asynchronous bookmark app creation.
   void Create(const CreateBookmarkAppCallback& callback);
 
  private:
   friend class TestBookmarkAppHelper;
 
+  // Called by the WebContents when the manifest has been downloaded. If there
+  // is no manifest, or the WebContents is destroyed before the manifest could
+  // be downloaded, this is called with an empty manifest.
+  void OnDidGetManifest(const content::Manifest& manifest);
+
   // Performs post icon download tasks including installing the bookmark app.
   void OnIconsDownloaded(bool success,
                          const std::map<GURL, std::vector<SkBitmap> >& bitmaps);
 
   // Overridden from content::NotificationObserver:
   virtual void Observe(int type,
                        const content::NotificationSource& source,
                        const content::NotificationDetails& details) override;
 
+  // The web contents that the bookmark app is being created for.
+  content::WebContents* contents_;
+
   // The WebApplicationInfo that the bookmark app is being created for.
   WebApplicationInfo web_app_info_;
 
   // Called on app creation or failure.
   CreateBookmarkAppCallback callback_;
 
   // Downloads icons from the given WebApplicationInfo using the given
   // WebContents.
   scoped_ptr<FaviconDownloader> favicon_downloader_;
 
@@ skipping 16 matching lines @@
     content::BrowserContext* browser_context,
     const extensions::Extension* extension,
     const base::Callback<void(const WebApplicationInfo&)> callback);
 
 // Returns whether the given |url| is a valid bookmark app url.
 bool IsValidBookmarkAppUrl(const GURL& url);
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_BOOKMARK_APP_HELPER_H_