Update SplitString calls in chrome.

chrome/test/chromedriver/chrome_launcher_unittest.cc

Index: chrome/test/chromedriver/chrome_launcher_unittest.cc
diff --git a/chrome/test/chromedriver/chrome_launcher_unittest.cc b/chrome/test/chromedriver/chrome_launcher_unittest.cc
index 5ccec7c90afddb70c04d196291922127f0bdfc1f..ec8f7a10170475ca6b4b07c6db18d05a082db619 100644
--- a/chrome/test/chromedriver/chrome_launcher_unittest.cc
+++ b/chrome/test/chromedriver/chrome_launcher_unittest.cc
@@ -124,8 +124,9 @@ TEST(ProcessExtensions, MultipleExtensionsNoBgPages) {
   ASSERT_TRUE(switches.HasSwitch("load-extension"));
   base::CommandLine::StringType ext_paths =
       switches.GetSwitchValueNative("load-extension");
-  std::vector<base::CommandLine::StringType> ext_path_list;
-  base::SplitString(ext_paths, FILE_PATH_LITERAL(','), &ext_path_list);
+  std::vector<base::CommandLine::StringType> ext_path_list =
+      base::SplitString(ext_paths, base::CommandLine::StringType(1, ','),
+      base::TRIM_WHITESPACE, base::SPLIT_WANT_ALL);
   ASSERT_EQ(2u, ext_path_list.size());
   ASSERT_TRUE(base::PathExists(base::FilePath(ext_path_list[0])));
   ASSERT_TRUE(base::PathExists(base::FilePath(ext_path_list[1])));