Clean UP: Remove IBusClientImpl from ui/base/ime/*

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 14161b30f5bf68162692377ff7efa785ef4cbe2f..da8e6005e1305226dba9b38663dfe0fc64f69017 100644
--- a/ui/base/ime/input_method_ibus.h
+++ b/ui/base/ime/input_method_ibus.h
@@ -18,6 +18,9 @@
 #include "ui/base/ime/ibus_client.h"
 #include "ui/base/ime/input_method_base.h"
 
+namespace dbus {
+class ObjectPath;
+}
 namespace chromeos {
 namespace ibus {
 class IBusText;
@@ -65,8 +68,8 @@ class UI_EXPORT InputMethodIBus : public InputMethodBase {
                               CompositionText* out_composition) const;
 
  private:
-  class PendingKeyEventImpl;
-  class PendingCreateICRequestImpl;
+  class PendingKeyEvent;
+  class PendingCreateICRequest;
 
   // Overridden from InputMethodBase:
   virtual void OnWillChangeFocusedClient(TextInputClient* focused_before,
@@ -133,7 +136,7 @@ class UI_EXPORT InputMethodIBus : public InputMethodBase {
 
   // Called when a pending key event has finished. The event will be removed
   // from |pending_key_events_|.
-  void FinishPendingKeyEvent(PendingKeyEventImpl* pending_key);
+  void FinishPendingKeyEvent(PendingKeyEvent* pending_key);
 
   // Abandons all pending key events. It usually happends when we lose keyboard
   // focus, the text input type is changed or we are destroyed.
@@ -143,6 +146,12 @@ class UI_EXPORT InputMethodIBus : public InputMethodBase {
   // object proxy.
   void ResetInputContext();
 
+  // Returns true if the connection to ibus-daemon is established.
+  bool IsConnected();
+
+  // Returns true if the input context is ready to use.
+  bool IsContextReady();
+
   // Event handlers for IBusInputContext:
   void OnCommitText(const chromeos::ibus::IBusText& text);
   void OnForwardKeyEvent(uint32 keyval, uint32 keycode, uint32 status);
@@ -152,9 +161,10 @@ class UI_EXPORT InputMethodIBus : public InputMethodBase {
                            bool visible);
   void OnHidePreeditText();
 
-  void CreateInputContextDone(PendingCreateICRequestImpl* ic_request,
+  void CreateInputContextDone(PendingCreateICRequest* ic_request,
                               const dbus::ObjectPath& object_path);
-  static void ProcessKeyEventDone(PendingKeyEventImpl* pending_key_event,
+  void CreateInputContextFail(PendingCreateICRequest* ic_request);
+  static void ProcessKeyEventDone(PendingKeyEvent* pending_key_event,
                                   bool is_handled);
 
   scoped_ptr<internal::IBusClient> ibus_client_;
@@ -162,11 +172,11 @@ class UI_EXPORT InputMethodIBus : public InputMethodBase {
   // All pending key events. Note: we do not own these object, we just save
   // pointers to these object so that we can abandon them when necessary.
   // They will be deleted in ProcessKeyEventDone().
-  std::set<PendingKeyEventImpl*> pending_key_events_;
+  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.
-  PendingCreateICRequestImpl* pending_create_ic_request_;
+  PendingCreateICRequest* pending_create_ic_request_;
 
   // 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