Replace PeekMessage for TSF awareness

base/message_pump_win.h

Index: base/message_pump_win.h
diff --git a/base/message_pump_win.h b/base/message_pump_win.h
index e778e01fb2abab53971dd93b3cdb9780e080cecb..bd2da43985f0b79f18509936b96ea5ed00591ef7 100644
--- a/base/message_pump_win.h
+++ b/base/message_pump_win.h
@@ -11,6 +11,7 @@
 
 #include "base/base_export.h"
 #include "base/basictypes.h"
+#include "base/memory/scoped_ptr.h"
 #include "base/message_pump.h"
 #include "base/message_pump_dispatcher.h"
 #include "base/message_pump_observer.h"
@@ -124,6 +125,8 @@ class BASE_EXPORT MessagePumpWin : public MessagePump {
 // an excellent choice.  It is also helpful that the starter messages that are
 // placed in the queue when new task arrive also awakens DoRunLoop.
 //
+class TextServicesBridge;
+
 class BASE_EXPORT MessagePumpForUI : public MessagePumpWin {
  public:
   // The application-defined code passed to the hook procedure.
@@ -152,12 +155,16 @@ class BASE_EXPORT MessagePumpForUI : public MessagePumpWin {
   bool ProcessNextWindowsMessage();
   bool ProcessMessageHelper(const MSG& msg);
   bool ProcessPumpReplacementMessage();
-
+  bool ProcessPeekMessage(MSG* pMsg, HWND hwnd, UINT wMsgFilterMin,
+                          UINT wMsgFilterMax, UINT wRemoveMsg);
   // Instance of the module containing the window procedure.
   HMODULE instance_;
 
   // A hidden message-only window.
   HWND message_hwnd_;
+
+  // COM objects which supports Text Services Framework.
+  scoped_ptr<TextServicesBridge> text_services_bridge_;
 };
 
 //-----------------------------------------------------------------------------