Remove PendingCreateICRequest.

ui/base/ime/input_method_ibus.h

Index: ui/base/ime/input_method_ibus.h
diff --git a/ui/base/ime/input_method_ibus.h b/ui/base/ime/input_method_ibus.h
index 69e280f119f2cfb4eb85418af125746622d38842..396d82dc6090d240b95eb2ba6af45f9ced38daa2 100644
--- a/ui/base/ime/input_method_ibus.h
+++ b/ui/base/ime/input_method_ibus.h
@@ -67,8 +67,16 @@ class UI_EXPORT InputMethodIBus : public InputMethodBase {
                               CompositionText* out_composition) const;
 
  private:
+  enum InputContextState {
+    // The input context is not working.
+    INPUT_CONTEXT_STOP,
+    // The input context is waiting for CreateInputContext reply from
+    // ibus-daemon.
+    INPUT_CONTEXT_WAIT_CREATE_INPUT_CONTEXT_RESPONSE,
+    // The input context is working and ready to communicate with ibus-daemon.
+    INPUT_CONTEXT_RUNNING,
+  };
   class PendingKeyEvent;
-  class PendingCreateICRequest;
 
   // Overridden from InputMethodBase:
   virtual void OnWillChangeFocusedClient(TextInputClient* focused_before,
@@ -160,9 +168,8 @@ class UI_EXPORT InputMethodIBus : public InputMethodBase {
                            bool visible);
   void OnHidePreeditText();
 
-  void CreateInputContextDone(PendingCreateICRequest* ic_request,
-                              const dbus::ObjectPath& object_path);
-  void CreateInputContextFail(PendingCreateICRequest* ic_request);
+  void CreateInputContextDone(const dbus::ObjectPath& object_path);
+  void CreateInputContextFail();
   static void ProcessKeyEventDone(PendingKeyEvent* pending_key_event,
                                   bool is_handled);
   static void ProcessKeyEventFail(PendingKeyEvent* pending_key_event);
@@ -174,9 +181,11 @@ class UI_EXPORT InputMethodIBus : public InputMethodBase {
   // They will be deleted in ProcessKeyEventDone().
   std::set<PendingKeyEvent*> pending_key_events_;
 
-  // The pending request for creating the input context. We need to keep this
-  // pointer so that we can receive or abandon the result.
-  PendingCreateICRequest* pending_create_ic_request_;
+  // Represents input context's state.
+  InputContextState input_context_state_;
+
+  // The count of CreateInputContext message failure.
+  int create_input_context_fail_count_;
 
   // Pending composition text generated by the current pending key event.
   // It'll be sent to the focused text input client as soon as we receive the