Add the ability to filter out extension IMEs from the language settings page.

chrome/browser/chromeos/input_method/input_method_manager_impl.h

Index: chrome/browser/chromeos/input_method/input_method_manager_impl.h
diff --git a/chrome/browser/chromeos/input_method/input_method_manager_impl.h b/chrome/browser/chromeos/input_method/input_method_manager_impl.h
index d86f6aeaba025d72776c4b36f74d851f82dd8472..7ee09d06a34a21a5a8ff52e24b18aae2783956f6 100644
--- a/chrome/browser/chromeos/input_method/input_method_manager_impl.h
+++ b/chrome/browser/chromeos/input_method/input_method_manager_impl.h
@@ -58,6 +58,8 @@ class InputMethodManagerImpl : public InputMethodManager,
       const std::string& language,
       InputMethodEngine* instance) OVERRIDE;
   virtual void RemoveInputMethodExtension(const std::string& id) OVERRIDE;
+  virtual InputMethodDescriptors* GetInputMethodExtensions() OVERRIDE;
+  virtual void SetFilteredExtensionImes(std::vector<std::string>& ids) OVERRIDE;
   virtual bool SwitchToNextInputMethod() OVERRIDE;
   virtual bool SwitchToPreviousInputMethod() OVERRIDE;
   virtual bool SwitchInputMethod(const ui::Accelerator& accelerator) OVERRIDE;
@@ -143,6 +145,9 @@ class InputMethodManagerImpl : public InputMethodManager,
   // The active input method ids cache.
   std::vector<std::string> active_input_method_ids_;
 
+  // These IMEs are not added to the ime list.
+  std::vector<std::string> filtered_extension_imes_;
+
   // For screen locker. When the screen is locked, |previous_input_method_|,
   // |current_input_method_|, and |active_input_method_ids_| above are copied
   // to these "saved" variables.