Revert of [chrome_elf] Big cleanup and removing dependencies that recently crept in. Part 1.

chrome_elf/hook_util/hook_util.h

Index: chrome_elf/hook_util/hook_util.h
diff --git a/chrome_elf/hook_util/hook_util.h b/chrome_elf/hook_util/hook_util.h
deleted file mode 100644
index 91850451e80a7b230ced84b9a5ddf237e19fe0ed..0000000000000000000000000000000000000000
--- a/chrome_elf/hook_util/hook_util.h
+++ /dev/null
@@ -1,66 +0,0 @@
-// 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_ELF_HOOK_UTIL_THUNK_GETTER_H_
-#define CHROME_ELF_HOOK_UTIL_THUNK_GETTER_H_
-
-#include <windows.h>
-
-#include "base/macros.h"
-
-namespace sandbox {
-class ServiceResolverThunk;
-}
-
-namespace elf_hook {
-
-//------------------------------------------------------------------------------
-// System Service hooking support
-//------------------------------------------------------------------------------
-
-// Creates a |ServiceResolverThunk| based on the OS version. Ownership of the
-// resulting thunk is passed to the caller.
-sandbox::ServiceResolverThunk* HookSystemService(bool relaxed);
-
-//------------------------------------------------------------------------------
-// Import Address Table hooking support
-//------------------------------------------------------------------------------
-class IATHook {
- public:
-  IATHook();
-  ~IATHook();
-
-  // Intercept a function in an import table of a specific
-  // module. Saves everything needed to Unhook.
-  //
-  // NOTE: Hook can only be called once at a time, to enable Unhook().
-  //
-  // Arguments:
-  // module                 Module to be intercepted
-  // imported_from_module   Module that exports the 'function_name'
-  // function_name          Name of the API to be intercepted
-  // new_function           New function pointer
-  //
-  // Returns: Windows error code (winerror.h). NO_ERROR if successful.
-  DWORD Hook(HMODULE module,
-             const char* imported_from_module,
-             const char* function_name,
-             void* new_function);
-
-  // Unhook the IAT entry.
-  //
-  // Returns: Windows error code (winerror.h). NO_ERROR if successful.
-  DWORD Unhook();
-
- private:
-  void* intercept_function_;
-  void* original_function_;
-  IMAGE_THUNK_DATA* iat_thunk_;
-
-  DISALLOW_COPY_AND_ASSIGN(IATHook);
-};
-
-}  // namespace elf_hook
-
-#endif  // CHROME_ELF_HOOK_UTIL_THUNK_GETTER_H_