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

chrome_frame/test/simulate_input.h

Index: chrome_frame/test/simulate_input.h
===================================================================
--- chrome_frame/test/simulate_input.h	(revision 51119)
+++ chrome_frame/test/simulate_input.h	(working copy)
@@ -6,6 +6,7 @@
 #define CHROME_FRAME_TEST_SIMULATE_INPUT_H_
 
 #include <windows.h>
+#include <string>
 
 #include "base/basictypes.h"
 #include "base/process_util.h"
@@ -55,8 +56,8 @@
 
 // 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