Support comma separated hardware keyboard layout.

chrome/browser/chromeos/input_method/input_method_delegate_impl.h

Index: chrome/browser/chromeos/input_method/input_method_delegate_impl.h
diff --git a/chrome/browser/chromeos/input_method/input_method_delegate_impl.h b/chrome/browser/chromeos/input_method/input_method_delegate_impl.h
index 4d1920a5a82e846f1a69545a207f2cf0dedd9a46..e7757e8a4f5acf7c7e18f0c1fec2ebb5cbdbb6af 100644
--- a/chrome/browser/chromeos/input_method/input_method_delegate_impl.h
+++ b/chrome/browser/chromeos/input_method/input_method_delegate_impl.h
@@ -19,9 +19,10 @@ namespace input_method {
 class InputMethodDelegateImpl : public InputMethodDelegate {
  public:
   InputMethodDelegateImpl();
+  virtual ~InputMethodDelegateImpl();
 
   // InputMethodDelegate implementation.
-  virtual std::string GetHardwareKeyboardLayout() const OVERRIDE;
+  virtual std::string GetHardwareKeyboardLayouts() const OVERRIDE;
   virtual base::string16 GetLocalizedString(int resource_id) const OVERRIDE;
   virtual base::string16 GetDisplayLanguageName(
       const std::string& language_code) const OVERRIDE;