Move SandboxCompiler class into the sandbox library.

sandbox/mac/sandbox_compiler.cc

Index: sandbox/mac/sandbox_compiler.cc
diff --git a/sandbox/mac/sandbox_compiler.cc b/sandbox/mac/sandbox_compiler.cc
new file mode 100644
index 0000000000000000000000000000000000000000..e524aa7b851022abed1edac39e18d8d92e5349b4
--- /dev/null
+++ b/sandbox/mac/sandbox_compiler.cc
@@ -0,0 +1,50 @@
+// 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.
+
+#include "sandbox/mac/sandbox_compiler.h"
+
+#include <map>
+#include <string>
+#include <vector>
+
+#include "sandbox/mac/seatbelt.h"
+
+namespace sandbox {
+
+SandboxCompiler::SandboxCompiler(const std::string& profile_str)
+    : params_map_(), profile_str_(profile_str) {}
+
+SandboxCompiler::~SandboxCompiler() {}
+
+bool SandboxCompiler::InsertBooleanParam(const std::string& key, bool value) {
+  return params_map_.insert(std::make_pair(key, value ? "TRUE" : "FALSE"))
+      .second;
+}
+
+bool SandboxCompiler::InsertStringParam(const std::string& key,
+                                        const std::string& value) {
+  return params_map_.insert(std::make_pair(key, value)).second;
+}
+
+bool SandboxCompiler::CompileAndApplyProfile(std::string* error) {
+  char* error_internal = nullptr;
+  std::vector<const char*> params;
+
+  for (const auto& kv : params_map_) {
+    params.push_back(kv.first.c_str());
+    params.push_back(kv.second.c_str());
+  }
+  // The parameters array must be null terminated.
+  params.push_back(static_cast<const char*>(0));
+
+  if (sandbox::Seatbelt::InitWithParams(profile_str_.c_str(), 0, params.data(),
+                                        &error_internal)) {
+    error->assign(error_internal);
+    sandbox::Seatbelt::FreeError(error_internal);
+    return false;
+  }
+  return true;
+}
+
+}  // namespace sandbox