Copy Crashpad into the Chrome tree instead of importing it via DEPS

third_party/crashpad/crashpad/compat/win/winnt.h

+// 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_COMPAT_WIN_WINNT_H_
+#define CRASHPAD_COMPAT_WIN_WINNT_H_
+
+// https://msdn.microsoft.com/en-us/library/windows/desktop/aa373184.aspx:
+// "Note that this structure definition was accidentally omitted from WinNT.h."
+struct PROCESSOR_POWER_INFORMATION {
+  ULONG Number;
+  ULONG MaxMhz;
+  ULONG CurrentMhz;
+  ULONG MhzLimit;
+  ULONG MaxIdleState;
+  ULONG CurrentIdleState;
+};
+
+// include_next <winnt.h>
+#include <../um/winnt.h>
+
+#endif  // CRASHPAD_COMPAT_WIN_WINNT_H_