Changes to module_integrity_verifier.cc that allow the function VerifyModule

chrome/browser/safe_browsing/module_integrity_verifier.h

 // Copyright 2014 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_BROWSER_SAFE_BROWSING_MODULE_INTEGRITY_VERIFIER_H_
 #define CHROME_BROWSER_SAFE_BROWSING_MODULE_INTEGRITY_VERIFIER_H_
 
 #include <stdint.h>
 
+#include <set>
+
 namespace base {
 namespace win {
 class PEImage;
 class PEImageAsData;
 }  // namespace win
 }  // namespace base
 
 namespace safe_browsing {
 
 // This enum defines the possible module states VerifyModule can return.
 enum ModuleState {
   MODULE_STATE_UNKNOWN,
   MODULE_STATE_UNMODIFIED,
   MODULE_STATE_MODIFIED,
 };
 
 // Helper to grab the addresses and size of the code section of a PEImage.
 // Returns two addresses: one for the dll loaded as a library, the other for the
 // dll loaded as data.
 bool GetCodeAddrsAndSize(const base::win::PEImage& mem_peimage,
                          const base::win::PEImageAsData& disk_peimage,
                          uint8_t** mem_code_addr,
                          uint8_t** disk_code_addr,
                          uint32_t* code_size);
 
-// Helper to count the number of bytes differing between two pointers.
-int CountBytesDiffInPtr(uintptr_t num_a, uintptr_t num_b);
-
 // Examines the code section of the given module in memory and on disk, looking
-// for unexpected differences.
-ModuleState VerifyModule(const wchar_t* module_name);
+// for unexpected differences.  Returns a ModuleState and and a set of the
+// possibly modified exports.
+ModuleState VerifyModule(const wchar_t* module_name,
+                         std::set<std::string>* modified_exports);
 
 }  // namespace safe_browsing
 
 #endif  // CHROME_BROWSER_SAFE_BROWSING_MODULE_INTEGRITY_VERIFIER_H_