Replace some Tokenize calls with SplitString.

chrome/browser/chromeos/input_method/input_method_util.cc

Index: chrome/browser/chromeos/input_method/input_method_util.cc
diff --git a/chrome/browser/chromeos/input_method/input_method_util.cc b/chrome/browser/chromeos/input_method/input_method_util.cc
index ca66fa5e2ffbbed7a947b0430b0f3045e91eadd3..8164932a03c4c3b87c26458ce89a319396db9818 100644
--- a/chrome/browser/chromeos/input_method/input_method_util.cc
+++ b/chrome/browser/chromeos/input_method/input_method_util.cc
@@ -682,9 +682,11 @@ void InputMethodUtil::UpdateHardwareLayoutCache() {
   DCHECK(thread_checker_.CalledOnValidThread());
   hardware_layouts_.clear();
   hardware_login_layouts_.clear();
-  if (cached_hardware_layouts_.empty())
-    Tokenize(delegate_->GetHardwareKeyboardLayouts(), ",",
-             &cached_hardware_layouts_);
+  if (cached_hardware_layouts_.empty()) {
+    cached_hardware_layouts_ =
+        base::SplitString(delegate_->GetHardwareKeyboardLayouts(), ",",
+                          base::KEEP_WHITESPACE, base::SPLIT_WANT_NONEMPTY);
+  }
   hardware_layouts_ = cached_hardware_layouts_;
   MigrateInputMethods(&hardware_layouts_);