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..556aad2e03ba7cf65b0715b0a806f6a45a21f8cd 100644
--- a/chrome/browser/chromeos/input_method/input_method_delegate_impl.h
+++ b/chrome/browser/chromeos/input_method/input_method_delegate_impl.h
@@ -19,12 +19,15 @@ 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;
+  virtual void SetHardwareKeyboardLayoutForTesting(
+      const std::string& layout) OVERRIDE;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(InputMethodDelegateImpl);