Make compositor_frame.h NOT include base/trace_event/trace_event.h

ui/views/mus/os_exchange_data_provider_mus.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 "ui/views/mus/os_exchange_data_provider_mus.h"
 
 #include "base/stl_util.h"
 #include "base/strings/string_split.h"
+#include "base/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "mojo/common/common_type_converters.h"
 #include "net/base/filename_util.h"
 #include "services/ui/public/interfaces/clipboard.mojom.h"
 #include "ui/base/dragdrop/file_info.h"
 #include "url/gurl.h"
 
 namespace views {
 
 namespace {
@@ skipping 336 matching lines @@
   GURL test_url(str);
   if (!test_url.is_valid())
     return false;
 
   if (url)
     *url = test_url;
   return true;
 }
 
 }  // namespace views