We should switch the keyboard layout to the layout the user set according to

chrome/browser/chromeos/input_method/mock_input_method_manager.h

Index: chrome/browser/chromeos/input_method/mock_input_method_manager.h
diff --git a/chrome/browser/chromeos/input_method/mock_input_method_manager.h b/chrome/browser/chromeos/input_method/mock_input_method_manager.h
index e3737076bab8f1906418f2f5f8660821b9211018..632c14ab32d678f09163f6733ddae4d96f65faff 100644
--- a/chrome/browser/chromeos/input_method/mock_input_method_manager.h
+++ b/chrome/browser/chromeos/input_method/mock_input_method_manager.h
@@ -31,11 +31,15 @@ class MockInputMethodManager : public InputMethodManager {
       GetSupportedInputMethods() const OVERRIDE;
   virtual scoped_ptr<InputMethodDescriptors>
       GetActiveInputMethods() const OVERRIDE;
+  virtual const std::vector<std::string>& GetActiveInputMethodIds() const
+      OVERRIDE;
   virtual size_t GetNumActiveInputMethods() const OVERRIDE;
   virtual void EnableLayouts(const std::string& language_code,
                              const std::string& initial_layout) OVERRIDE;
   virtual bool EnableInputMethods(
       const std::vector<std::string>& new_active_input_method_ids) OVERRIDE;
+  virtual bool EnableInputMethod(
+    const std::string& new_active_input_method_id) OVERRIDE;
   virtual bool MigrateOldInputMethods(
       std::vector<std::string>* input_method_ids) OVERRIDE;
   virtual bool MigrateKoreanKeyboard(
@@ -68,6 +72,7 @@ class MockInputMethodManager : public InputMethodManager {
   virtual InputMethodUtil* GetInputMethodUtil() OVERRIDE;
   virtual ComponentExtensionIMEManager*
       GetComponentExtensionIMEManager() OVERRIDE;
+  virtual bool IsLanguageFullLatinKeyboard(const std::string&) const OVERRIDE;
 
   // Sets an input method ID which will be returned by GetCurrentInputMethod().
   void SetCurrentInputMethodId(const std::string& input_method_id) {
@@ -91,6 +96,9 @@ class MockInputMethodManager : public InputMethodManager {
   InputMethodUtil util_;
   MockXKeyboard xkeyboard_;
 
+  // The active input method ids cache (actually default only)
+  std::vector<std::string> active_input_method_ids_;
+
   DISALLOW_COPY_AND_ASSIGN(MockInputMethodManager);
 };