Store target app name in Web Share prefs, and add extra logic.

chrome/browser/webshare/share_target_pref_helper.cc

 // Copyright 2017 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/webshare/share_target_pref_helper.h"
 
+#include "base/strings/utf_string_conversions.h"
 #include "base/values.h"
 #include "chrome/common/pref_names.h"
 #include "components/prefs/pref_service.h"
 #include "components/prefs/scoped_user_pref_update.h"
 
-void UpdateShareTargetInPrefs(base::StringPiece manifest_url,
-                              base::Optional<std::string> url_template,
+void UpdateShareTargetInPrefs(const GURL& manifest_url,
+                              const content::Manifest& manifest,
                               PrefService* pref_service) {
   DictionaryPrefUpdate update(pref_service, prefs::kWebShareVisitedTargets);
   base::DictionaryValue* share_target_dict = update.Get();
 
-  if (!url_template.has_value()) {
-    share_target_dict->RemoveWithoutPathExpansion(manifest_url, NULL);
+  // Manifest does not contain a share_target field, or it does but there is no
+  // url_template field.
+  if (!manifest.share_target.has_value() ||
+      manifest.share_target.value().url_template.is_null()) {
+    share_target_dict->RemoveWithoutPathExpansion(manifest_url.spec(), nullptr);
     return;
   }
 
+  std::string url_template =
+      base::UTF16ToUTF8(manifest.share_target.value().url_template.string());
+
+  constexpr char kNameKey[] = "name";
   constexpr char kUrlTemplateKey[] = "url_template";
 
   std::unique_ptr<base::DictionaryValue> origin_dict(new base::DictionaryValue);
 
+  if (!manifest.name.is_null()) {
+    origin_dict->SetStringWithoutPathExpansion(kNameKey,
+                                               manifest.name.string());
+  }
   origin_dict->SetStringWithoutPathExpansion(kUrlTemplateKey,
-                                             url_template.value());
+                                             url_template);
 
-  share_target_dict->SetWithoutPathExpansion(manifest_url,
+  share_target_dict->SetWithoutPathExpansion(manifest_url.spec(),
                                              std::move(origin_dict));
 }