[chrome_frame] Refactor/merge IE no interference tests with other mock event ...

chrome_frame/test/simulate_input.h

 // Copyright (c) 2010 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_FRAME_TEST_SIMULATE_INPUT_H_
 #define CHROME_FRAME_TEST_SIMULATE_INPUT_H_
 
 #include <windows.h>
+#include <string>
 
 #include "base/basictypes.h"
 #include "base/process_util.h"
 
 namespace simulate_input {
 
 enum Modifier {
   NONE,
   SHIFT = 1,
   CONTROL = 2,
@@ skipping 29 matching lines @@
 void SendScanCode(short scan_code, Modifier modifiers);
 void SendCharA(char c, Modifier modifiers);
 void SendCharW(wchar_t c, Modifier modifiers);
 
 // Sends extended keystroke to the currently active application with optional
 // modifiers set.
 void SendExtendedKey(WORD key, Modifier modifiers);
 
 // Iterates through all the characters in the string and simulates
 // keyboard input.  The input goes to the currently active application.
-void SendStringW(const wchar_t* s);
-void SendStringA(const char* s);
+void SendStringW(const std::wstring& s);
+void SendStringA(const std::string& s);
 
 }  // end namespace simulate_input
 
 #endif  // CHROME_FRAME_TEST_SIMULATE_INPUT_H_