Update WebApkInstaller to support badge icon in installation.

chrome/browser/banners/app_banner_manager.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_BANNERS_APP_BANNER_MANAGER_H_
 #define CHROME_BROWSER_BANNERS_APP_BANNER_MANAGER_H_
 
-#include <memory>
 #include <vector>
 
 #include "base/macros.h"
 #include "base/memory/weak_ptr.h"
 #include "chrome/browser/engagement/site_engagement_observer.h"
 #include "chrome/browser/installable/installable_logging.h"
 #include "chrome/browser/installable/installable_manager.h"
 #include "content/public/browser/web_contents_observer.h"
 #include "mojo/public/cpp/bindings/binding.h"
 #include "third_party/WebKit/public/platform/modules/app_banner/app_banner.mojom.h"
@@ skipping 217 matching lines @@
   // The URL of the manifest.
   GURL manifest_url_;
 
   // The manifest object.
   content::Manifest manifest_;
 
   // The URL of the primary icon.
   GURL primary_icon_url_;
 
   // The primary icon object.
-  std::unique_ptr<SkBitmap> primary_icon_;
+  SkBitmap primary_icon_;
 
   // The referrer string (if any) specified in the app URL. Used only for native
   // app banners.
   std::string referrer_;
 
   // The current banner pipeline state for this page load.
   State state_;
 
  private:
   friend class AppBannerManagerTest;
@@ skipping 52 matching lines @@
   // scoped to the WebContents which they are observing. This allows us to use
   // weak pointers for callbacks.
   base::WeakPtrFactory<AppBannerManager> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(AppBannerManager);
 };
 
 }  // namespace banners
 
 #endif  // CHROME_BROWSER_BANNERS_APP_BANNER_MANAGER_H_