Convert utility process extension ParseUpdate IPC to mojo

extensions/common/update_manifest.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 "extensions/common/update_manifest.h"
 
 #include <algorithm>
 #include <memory>
 
 #include "base/stl_util.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_util.h"
 #include "base/strings/stringprintf.h"
 #include "base/version.h"
 #include "libxml/tree.h"
 #include "third_party/libxml/chromium/libxml_utils.h"
 
 static const char* kExpectedGupdateProtocol = "2.0";
 static const char* kExpectedGupdateXmlns =
     "http://www.google.com/update2/response";
 
-UpdateManifest::Result::Result()
-    : size(0),
-      diff_size(0) {}
+UpdateManifest::Result::Result() : size(0), diff_size(0) {}
 
 UpdateManifest::Result::Result(const Result& other) = default;
 
-UpdateManifest::Result::~Result() {}
+UpdateManifest::Result::~Result() = default;
 
 UpdateManifest::Results::Results() : daystart_elapsed_seconds(kNoDaystart) {}
 
-UpdateManifest::Results::~Results() {}
+UpdateManifest::Results::Results(const Results& other) = default;
 
-UpdateManifest::UpdateManifest() {
-}
+UpdateManifest::Results::~Results() = default;
 
-UpdateManifest::~UpdateManifest() {}
+UpdateManifest::UpdateManifest() = default;
+
+UpdateManifest::~UpdateManifest() = default;
 
 void UpdateManifest::ParseError(const char* details, ...) {
   va_list args;
   va_start(args, details);
 
   if (errors_.length() > 0) {
     // TODO(asargent) make a platform abstracted newline?
     errors_ += "\r\n";
   }
   base::StringAppendV(&errors_, details, args);
@@ skipping 230 matching lines @@
     std::string error;
     if (!ParseSingleAppTag(apps[i], gupdate_ns, &current, &error)) {
       ParseError("%s", error.c_str());
     } else {
       results_.list.push_back(current);
     }
   }
 
   return true;
 }