Update WebApkInstaller to support badge icon in installation.

chrome/browser/banners/app_banner_manager.cc

 // 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.
 
 #include "chrome/browser/banners/app_banner_manager.h"
 
 #include <algorithm>
 
 #include "base/bind.h"
 #include "base/command_line.h"
@@ skipping 248 matching lines @@
   }
 
   if (!is_active_)
     return;
 
   DCHECK(data.is_installable);
   DCHECK(!data.primary_icon_url.is_empty());
   DCHECK(data.primary_icon);
 
   primary_icon_url_ = data.primary_icon_url;
-  primary_icon_.reset(new SkBitmap(*data.primary_icon));
+  primary_icon_ = *data.primary_icon;
 
   SendBannerPromptRequest();
 }
 
 void AppBannerManager::RecordDidShowBanner(const std::string& event_name) {
   content::WebContents* contents = web_contents();
   DCHECK(contents);
 
   AppBannerSettingsHelper::RecordBannerEvent(
       contents, validated_url_, GetAppIdentifier(),
@@ skipping 228 matching lines @@
   } else {
     TrackBeforeInstallEvent(BEFORE_INSTALL_EVENT_NO_ACTION);
   }
 
   AppBannerSettingsHelper::RecordMinutesFromFirstVisitToShow(
       contents, validated_url_, GetAppIdentifier(), GetCurrentTime());
 
   DCHECK(!manifest_url_.is_empty());
   DCHECK(!manifest_.IsEmpty());
   DCHECK(!primary_icon_url_.is_empty());
-  DCHECK(primary_icon_.get());
+  DCHECK(!primary_icon_.drawsNothing());
 
   TrackBeforeInstallEvent(BEFORE_INSTALL_EVENT_COMPLETE);
   ShowBanner();
   is_active_ = false;
 }
 
 void AppBannerManager::DisplayAppBanner() {
   if (was_canceled_by_page_) {
     // Simulate a non-canceled OnBannerPromptReply to show the delayed banner.
     // Don't reset |was_canceled_by_page_| yet for metrics purposes.
     OnBannerPromptReply(blink::mojom::AppBannerPromptReply::NONE, referrer_);
   } else {
     // Log that the prompt request was made for when we get the prompt reply.
     page_requested_prompt_ = true;
   }
 }
 
 }  // namespace banners