Remove whitespace in the <ping> element closing tag in the comp updater.

components/update_client/update_checker.cc

 // Copyright 2014 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 "components/update_client/update_checker.h"
 
 #include <stddef.h>
 
 #include <memory>
 #include <string>
@@ skipping 46 matching lines @@
 
 // Builds an update check request for |components|. |additional_attributes| is
 // serialized as part of the <request> element of the request to customize it
 // with data that is not platform or component specific. For each |item|, a
 // corresponding <app> element is created and inserted as a child node of
 // the <request>.
 //
 // An app element looks like this:
 //    <app appid="hnimpnehoodheedghdeeijklkeaacbdc"
 //         version="0.1.2.3" installsource="ondemand">
-//      <updatecheck />
+//      <updatecheck/>
 //      <packages>
-//        <package fp="abcd" />
+//        <package fp="abcd"/>
 //      </packages>
 //    </app>
 std::string BuildUpdateCheckRequest(const Configurator& config,
                                     const std::vector<CrxUpdateItem*>& items,
                                     PersistedData* metadata,
                                     const std::string& additional_attributes,
                                     bool enabled_component_updates) {
   const std::string brand(SanitizeBrand(config.GetBrand()));
   std::string app_elements;
   for (size_t i = 0; i != items.size(); ++i) {
@@ skipping 22 matching lines @@
       base::StringAppendF(&app, " cohorthint=\"%s\"", cohort_hint.c_str());
     base::StringAppendF(&app, ">");
 
     base::StringAppendF(&app, "<updatecheck");
     if (item->component.supports_group_policy_enable_component_updates &&
         !enabled_component_updates) {
       base::StringAppendF(&app, " updatedisabled=\"true\"");
     }
     base::StringAppendF(&app, "/>");
 
-    base::StringAppendF(&app, "<ping rd=\"%d\" ping_freshness=\"%s\" />",
+    base::StringAppendF(&app, "<ping rd=\"%d\" ping_freshness=\"%s\"/>",
                         metadata->GetDateLastRollCall(item->id),
                         metadata->GetPingFreshness(item->id).c_str());
     if (!item->component.fingerprint.empty()) {
       base::StringAppendF(&app,
                           "<packages>"
                           "<package fp=\"%s\"/>"
                           "</packages>",
                           item->component.fingerprint.c_str());
     }
     base::StringAppendF(&app, "</app>");
@@ skipping 118 matching lines @@
 }  // namespace
 
 std::unique_ptr<UpdateChecker> UpdateChecker::Create(
     const scoped_refptr<Configurator>& config,
     PersistedData* persistent) {
   return std::unique_ptr<UpdateChecker>(
       new UpdateCheckerImpl(config, persistent));
 }
 
 }  // namespace update_client