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 249 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;
 
   // If we triggered the installability check on page load, then it's possible
   // we don't have enough engagement yet. If that's the case, return here but
   // don't call Stop(). We wait for OnEngagementIncreased to tell us that we
   // should trigger.
   if (!has_sufficient_engagement_) {
     UpdateState(State::PENDING_ENGAGEMENT);
     return;
   }
 
@@ skipping 252 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();
   UpdateState(State::COMPLETE);
 }
 
 void AppBannerManager::DisplayAppBanner() {
   if (is_pending_event()) {
     // Simulate a non-canceled OnBannerPromptReply to show the delayed banner.
     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