[Refactor] Remove AppBannerManager::app_title_

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 204 matching lines @@
 
   if (!is_active())
     return;
 
   DCHECK(!data.manifest_url.is_empty());
   DCHECK(!data.manifest.IsEmpty());
 
   manifest_url_ = data.manifest_url;
   manifest_ = data.manifest;
 
-  // One of manifest_.name or manifest_.short_name must be non-null and
-  // non-empty if the error code was NO_ERROR_DETECTED.
-  if (manifest_.name.is_null() || manifest_.name.string().empty())
-    app_title_ = manifest_.short_name.string();
-  else
-    app_title_ = manifest_.name.string();
-
   PerformInstallableCheck();
 }
 
 InstallableParams AppBannerManager::ParamsToPerformInstallableCheck() {
   InstallableParams params;
   params.ideal_primary_icon_size_in_px = GetIdealPrimaryIconSizeInPx();
   params.minimum_primary_icon_size_in_px = GetMinimumPrimaryIconSizeInPx();
   params.check_installable = true;
   params.fetch_valid_primary_icon = true;
 
@@ skipping 345 matching lines @@
   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