Move SandboxCompiler class into the sandbox library.

sandbox/mac/sandbox_compiler.h

+// Copyright 2017 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_MAC_SANDBOX_COMPILER_H_
+#define SANDBOX_MAC_SANDBOX_COMPILER_H_
+
+#include <map>
+#include <string>
+
+#include "base/macros.h"
+#include "sandbox/mac/seatbelt_export.h"
+
+namespace sandbox {
+
+// This class wraps the C-style sandbox APIs in a class to ensure proper
+// initialization and cleanup.
+class SEATBELT_EXPORT SandboxCompiler {
+ public:
+  explicit SandboxCompiler(const std::string& profile_str);
+
+  ~SandboxCompiler();
+
+  // Inserts a boolean into the parameters key/value map. A duplicate key is not
+  // allowed, and will cause the function to return false. The value is not
+  // inserted in this case.
+  bool InsertBooleanParam(const std::string& key, bool value);
+
+  // Inserts a string into the parameters key/value map. A duplicate key is not
+  // allowed, and will cause the function to return false. The value is not
+  // inserted in this case.
+  bool InsertStringParam(const std::string& key, const std::string& value);
+
+  // Compiles and applies the profile; returns true on success.
+  bool CompileAndApplyProfile(std::string* error);
+
+ private:
+  // Storage of the key/value pairs of strings that are used in the sandbox
+  // profile.
+  std::map<std::string, std::string> params_map_;
+
+  // The sandbox profile source code.
+  const std::string profile_str_;
+
+  DISALLOW_COPY_AND_ASSIGN(SandboxCompiler);
+};
+
+}  // namespace sandbox
+
+#endif  // SANDBOX_MAC_SANDBOX_COMPILER_H_