A different approach to avoid crashes in buggy 3rd party BHOs.

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>
@@ skipping 10 matching lines @@
 #include "gfx/rect.h"
 #include "googleurl/src/gurl.h"
 
 // utils.h : Various utility functions and classes
 
 extern const wchar_t kChromeContentPrefix[];
 extern const wchar_t kChromeProtocolPrefix[];
 extern const wchar_t kChromeFrameHeadlessMode[];
 extern const wchar_t kChromeFrameUnpinnedMode[];
 extern const wchar_t kEnableGCFProtocol[];
+extern const wchar_t kEnableBuggyBhoIntercept[];
 extern const wchar_t kChromeMimeType[];
 
 typedef enum ProtocolPatchMethod {
   PATCH_METHOD_IBROWSER = 0,
   PATCH_METHOD_INET_PROTOCOL,  // 1
   PATCH_METHOD_MONIKER,  // 2
 };
 
 // A REG_DWORD config value that maps to the ProtocolPatchMethod enum.
 // To get the config value, call:
@@ skipping 433 matching lines @@
 // Parses the attach external tab url, which comes in from Chrome in the course
 // of a window.open operation. The format of this URL is as below:-
 // gcf:attach_external_tab&n1&n2&x&y&width&height
 // n1 -> cookie, n2 -> disposition, x, y, width, height -> dimensions of the
 // window.
 // Returns true on success.
 bool ParseAttachExternalTabUrl(const std::wstring& url, uint64* cookie,
                                gfx::Rect* dimensions, int* disposition);
 
 #endif  // CHROME_FRAME_UTILS_H_