Add a helper process to Chrome Frame to allow for non-administrative installs...

chrome_frame/chrome_frame_helper_util.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_CHROME_FRAME_HELPER_UTIL_H_
+#define CHROME_FRAME_CHROME_FRAME_HELPER_UTIL_H_
+
+#include <windows.h>
+
+// Compare the given class name with the known window class names for
+// internet explorer browser windows.
+//
+// @param [in] window_to_check handle to the window to be checked
+//
+// @return true if the window class matches known class names for IE browser.
+//
+bool UtilIsWebBrowserWindow(HWND window_to_check);
+
+// A utility function that retrieves the specified web browser COM interface
+// from the web browser window. The passed in window must be the web browser
+// window (class name "IEFrame" in IE6 and "TabWindowClass" in IE7)
+// @param[in] window The web browser window whose COM object is to be fetched
+// @param[in] iid    The IID of the interface to be fetched
+// @param[out] web_browser_object
+//                   The requested interface pointer to the web browser object
+//                   is returned in this variable upon success
+//
+HRESULT UtilGetWebBrowserObjectFromWindow(HWND window,
+                                          REFIID iid,
+                                          void** web_browser_object);
+
+// Checks to see whether the passed in window is of the class specified.
+// of the heirarchy list
+// @param hwnd_to_match        [in]  The handle of the window that is to be
+//                                   matched.
+// @param window_class         [in]  The window class to match against.
+//
+bool IsWindowOfClass(HWND hwnd_to_match, const wchar_t* window_class);
+
+// Returns true if the current process name is process_name, false otherwise.
+bool IsNamedProcess(const wchar_t* process_name);
+
+#endif  // CHROME_FRAME_CHROME_FRAME_HELPER_UTIL_H_