Implement new method to get process base address in Windows sandbox.

sandbox/win/src/win_utils.h

 // Copyright (c) 2006-2010 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 SANDBOX_SRC_WIN_UTILS_H_
 #define SANDBOX_SRC_WIN_UTILS_H_
 
 #include <windows.h>
 #include <stddef.h>
 #include <string>
@@ skipping 94 matching lines @@
 // protection attributes. Returns true on success.
 bool WriteProtectedChildMemory(HANDLE child_process, void* address,
                                const void* buffer, size_t length);
 
 // Returns true if the provided path points to a pipe.
 bool IsPipe(const base::string16& path);
 
 // Converts a NTSTATUS code to a Win32 error code.
 DWORD GetLastErrorFromNtStatus(NTSTATUS status);
 
+// Returns the address of the main exe module in memory taking in account
+// address space layout randomization. While it will work on running processes
+// it's recommended to only call this for a suspended process. Ideally also
+// a process which has not been started. There's a slim chance that a process
+// could map its own executables file multiple times, but this is pretty
+// unlikely to occur in practice.
+void* GetProcessBaseAddress(HANDLE process);
+
 }  // namespace sandbox
 
 // Resolves a function name in NTDLL to a function pointer. The second parameter
 // is a pointer to the function pointer.
 void ResolveNTFunctionPtr(const char* name, void* ptr);
 
 #endif  // SANDBOX_SRC_WIN_UTILS_H_