Update SplitString calls to new form

content/shell/renderer/layout_test/blink_test_helpers.cc

 // Copyright (c) 2012 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 "content/shell/renderer/layout_test/blink_test_helpers.h"
 
 #include "base/command_line.h"
 #include "base/files/file_util.h"
 #include "base/path_service.h"
 #include "base/strings/string_split.h"
@@ skipping 108 matching lines @@
   base::FilePath base_path;
   PathService::Get(base::DIR_SOURCE_ROOT, &base_path);
   return base_path.Append(FILE_PATH_LITERAL("third_party/WebKit"));
 }
 
 std::vector<std::string> GetSideloadFontFiles() {
   std::vector<std::string> files;
   const base::CommandLine& command_line =
       *base::CommandLine::ForCurrentProcess();
   if (command_line.HasSwitch(switches::kRegisterFontFiles)) {
-    base::SplitString(
+    files = base::SplitString(
         command_line.GetSwitchValueASCII(switches::kRegisterFontFiles),
-        ';',
-        &files);
+        ";", base::TRIM_WHITESPACE, base::SPLIT_WANT_ALL);
   }
   return files;
 }
 
 }  // namespace content