Remove InputMethodManager::EnableHotkeys() and DisableHotkeys().

chrome/browser/chromeos/input_method/input_method_manager.h

Index: chrome/browser/chromeos/input_method/input_method_manager.h
diff --git a/chrome/browser/chromeos/input_method/input_method_manager.h b/chrome/browser/chromeos/input_method/input_method_manager.h
index 3f2329dd2c57f03bbf4694e1a590de049f200c7d..137173d3a8a383ff9eefb61f1359036a29484fd4 100644
--- a/chrome/browser/chromeos/input_method/input_method_manager.h
+++ b/chrome/browser/chromeos/input_method/input_method_manager.h
@@ -138,13 +138,6 @@ class InputMethodManager {
   // Returns an InputMethodUtil object.
   virtual InputMethodUtil* GetInputMethodUtil() = 0;
 
-  // Enables all input method hotkeys such as Alt+Shift. Note that all hotkeys
-  // are enabled on startup.
-  virtual void EnableHotkeys() = 0;
-
-  // Disables all input method hotkeys.
-  virtual void DisableHotkeys() = 0;
-
   // Switches the current input method (or keyboard layout) to the next one.
   virtual bool SwitchToNextInputMethod() = 0;