Restructure sandbox code to reduce dependencies pulled in by intercept code.

sandbox/win/src/sandbox_utils.h

-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// Copyright 2013 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_SANDBOX_UTILS_H__
-#define SANDBOX_SRC_SANDBOX_UTILS_H__
-
-#include <windows.h>
-#include <string>
+#ifndef SANDBOX_SRC_SANDBOX_UTILS_H_
+#define SANDBOX_SRC_SANDBOX_UTILS_H_
 
 #include "base/basictypes.h"
+#include "base/strings/string16.h"
 #include "sandbox/win/src/nt_internals.h"
 
 namespace sandbox {
 
+// Returns a pointer to the IPC shared memory.
+void* GetGlobalIPCMemory();
+
+// Returns a pointer to the Policy shared memory.
+void* GetGlobalPolicyMemory();
+
+// Copies data from a user buffer to our buffer. Returns the operation status.
+NTSTATUS CopyData(void* destination, const void* source, size_t bytes);
+
+// Copies the name from an object attributes.
+NTSTATUS AllocAndCopyName(const OBJECT_ATTRIBUTES* in_object,
+                          wchar_t** out_name, uint32* attributes, HANDLE* root);
+// Returns the last component of a path that contains the module name.
+// It will return NULL if the path ends with the path separator. The returned
+// buffer must be freed with a placement delete (see GetImageNameFromModule
+// example).
+UNICODE_STRING* ExtractModuleName(const UNICODE_STRING* module_path);
+
 // Returns true if the current OS is Windows XP SP2 or later.
 bool IsXPSP2OrLater();
 
-void InitObjectAttribs(const std::wstring& name,
+void InitObjectAttribs(const string16& name,
                        ULONG attributes,
                        HANDLE root,
                        OBJECT_ATTRIBUTES* obj_attr,
                        UNICODE_STRING* uni_name);
 
-};  // namespace sandbox
+}  // namespace sandbox
 
-#endif  // SANDBOX_SRC_SANDBOX_UTILS_H__
+#endif  // SANDBOX_SRC_SANDBOX_UTILS_H_