Decompose BrowserStateMonitor into two parts, simplifying unit tests and APIs.

chrome/browser/chromeos/input_method/input_method_delegate.h

Index: chrome/browser/chromeos/input_method/input_method_delegate.h
diff --git a/chrome/browser/chromeos/input_method/input_method_delegate.h b/chrome/browser/chromeos/input_method/input_method_delegate.h
index 4117ad31a3262e91f2c0caa219a7d7314b82de6e..ed0717313ea5407eeae75648a57534c51d65734d 100644
--- a/chrome/browser/chromeos/input_method/input_method_delegate.h
+++ b/chrome/browser/chromeos/input_method/input_method_delegate.h
@@ -18,10 +18,6 @@ class InputMethodDelegate {
   InputMethodDelegate() {}
   virtual ~InputMethodDelegate() {}
 
-  // Persists input method choices when no user is logged in.
-  virtual void SetSystemInputMethod(const std::string& input_method) = 0;
-  // Persists input method choices when the user is logged in.
-  virtual void SetUserInputMethod(const std::string& input_method) = 0;
   // Retrieves the hardware keyboard layout ID. May return an empty string if
   // the ID is unknown.
   virtual std::string GetHardwareKeyboardLayout() const = 0;