Reverting this CL to see if this fixes chrome frame unit test failures....

chrome_frame/utils.h

 // Copyright (c) 2009 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_UTILS_H_
 #define CHROME_FRAME_UTILS_H_
 
 #include <shdeprecated.h>
 #include <urlmon.h>
 #include <wininet.h>
 
 #include <atlbase.h>
 #include <string>
 
 #include "base/basictypes.h"
-#include "base/file_path.h"
 #include "base/histogram.h"
 #include "base/lock.h"
 #include "base/logging.h"
 #include "base/thread.h"
 
 // utils.h : Various utility functions and classes
 
 extern const wchar_t kChromeContentPrefix[];
 extern const wchar_t kChromeProtocolPrefix[];
 extern const wchar_t kChromeFrameHeadlessMode[];
@@ skipping 139 matching lines @@
   IE_6,
   IE_7,
   IE_8,
 };
 
 // To get the IE version when Chrome Frame is hosted in IE.  Make sure that
 // the hosting browser is IE before calling this function, otherwise NON_IE
 // will be returned.
 IEVersion GetIEVersion();
 
-FilePath GetIETemporaryFilesFolder();
-
 // Retrieves the file version from a module handle without extra round trips
 // to the disk (as happens with the regular GetFileVersionInfo API).
 //
 // @param module A handle to the module for which to retrieve the version info.
 // @param high On successful return holds the most significant part of the
 // file version.  Must be non-null.
 // @param low On successful return holds the least significant part of the
 // file version.  May be NULL.
 // @returns true if the version info was successfully retrieved.
 bool GetModuleVersion(HMODULE module, uint32* high, uint32* low);
@@ skipping 211 matching lines @@
 // object.
 // NOTE: Since the message is sent synchronously, the handler should only
 // start asynchronous operations in order to not block the sender unnecessarily.
 #define WM_DOWNLOAD_IN_HOST (WM_APP + 2)
 
 // Maps the InternetCookieState enum to the corresponding CookieAction values
 // used for IE privacy stuff.
 int32 MapCookieStateToCookieAction(InternetCookieState cookie_state);
 
 #endif  // CHROME_FRAME_UTILS_H_