Some plumbing for the beginning of getting handles into snapshot/minidump

snapshot/handle_snapshot.h

Index: snapshot/handle_snapshot.h
diff --git a/snapshot/handle_snapshot.h b/snapshot/handle_snapshot.h
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+// Copyright 2015 The Crashpad Authors. All rights reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#ifndef CRASHPAD_SNAPSHOT_HANDLE_SNAPSHOT_H_
+#define CRASHPAD_SNAPSHOT_HANDLE_SNAPSHOT_H_
+
+#include <stdint.h>
+
+#include <string>
+
+namespace crashpad {
+
+struct HandleSnapshot {
+  HandleSnapshot();
+  ~HandleSnapshot();
+
+  //! \brief A string representation of the handle's type.
+  std::wstring type_name;
+
+  //! \brief The handle's value.
+  uint32_t handle;
+
+  //! \brief The attributes for the handle, e.g. `OBJ_INHERIT`,
+  //!     `OBJ_CASE_INSENSITIVE`, etc.
+  uint32_t attributes;
+
+  //! \brief The ACCESS_MASK for the handle in this process.
+  //!
+  //! See
+  //! http://blogs.msdn.com/b/openspecification/archive/2010/04/01/about-the-access-mask-structure.aspx
+  //! for more information.
+  uint32_t granted_access;
+
+  //! \brief The number of kernel references to the object that this handle
+  //!     refers to.
+  uint32_t pointer_count;
+
+  //! \brief The number of open handles to the object that this handle refers
+  //!     to.
+  uint32_t handle_count;
+};
+
+}  // namespace crashpad
+
+#endif  // CRASHPAD_SNAPSHOT_HANDLE_SNAPSHOT_H_