Restore clang-format formatting.

tools/gn/xcode_writer.cc

 // Copyright 2016 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 "tools/gn/xcode_writer.h"
 
 #include <iomanip>
 #include <map>
 #include <memory>
 #include <sstream>
@@ skipping 18 matching lines @@
 #include "tools/gn/variables.h"
 #include "tools/gn/xcode_object.h"
 
 namespace {
 
 struct SafeEnvironmentVariableInfo {
   const char* name;
   bool capture_at_generation;
 };
 
-// clang-format off
 SafeEnvironmentVariableInfo kSafeEnvironmentVariables[] = {
-    {"HOME", true},
-    {"LANG", true},
-    {"PATH", true},
-    {"USER", true},
-    {"TMPDIR", false},
+    {"HOME", true}, {"LANG", true},    {"PATH", true},
+    {"USER", true}, {"TMPDIR", false},
 };
-// clang-format on
 
 XcodeWriter::TargetOsType GetTargetOs(const Args& args) {
   const Value* target_os_value = args.GetArgOverride(variables::kTargetOs);
   if (target_os_value) {
     if (target_os_value->type() == Value::STRING) {
       if (target_os_value->string_value() == "ios")
         return XcodeWriter::WRITER_TARGET_OS_IOS;
     }
   }
   return XcodeWriter::WRITER_TARGET_OS_MACOS;
@@ skipping 374 matching lines @@
     for (auto* object : pair.second) {
       object->Print(out, 2);
     }
     out << "/* End " << ToString(pair.first) << " section */\n";
   }
 
   out << "\t};\n"
       << "\trootObject = " << project->Reference() << ";\n"
       << "}\n";
 }