Add ProcessTypes, its test, and many proctype definition files

util/mac/process_types/crashreporterclient.proctype

Index: util/mac/process_types/crashreporterclient.proctype
diff --git a/util/mac/process_types/crashreporterclient.proctype b/util/mac/process_types/crashreporterclient.proctype
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index 0000000000000000000000000000000000000000..d604a32cfd253e65a5fd7c01d96c3d306a99256c
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+++ b/util/mac/process_types/crashreporterclient.proctype
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+// Copyright 2014 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.
+
+// The name of this file was chosen based on
+// http://llvm.org/svn/llvm-project/llvm/trunk/lib/Support/PrettyStackTrace.cpp.
+// The name of the structure it describes was chosen based on that file as well
+// as 10.9.2 cups-372.2/cups/backend/usb-darwin.c. That file also provided the
+// names and types of the fields in the structure.
+//
+// This file is intended to be included multiple times in the same translation
+// unit, so #include guards are intentionally absent.
+//
+// This file is included by util/mac/process_types.h and
+// util/mac/process_types.cc to produce process type struct definitions and
+// accessors.
+
+// Client Mach-O images will contain a __DATA,__crash_info section formatted
+// according to this structure.
+PROCESS_TYPE_STRUCT_BEGIN(crashreporter_annotations_t)
+  // The only known version is 4.
+  PROCESS_TYPE_STRUCT_MEMBER(uint64_t, version)  // unsigned long
+
+  PROCESS_TYPE_STRUCT_MEMBER(uint64_t, message)  // char*
+  PROCESS_TYPE_STRUCT_MEMBER(uint64_t, signature_string)  // char*
+  PROCESS_TYPE_STRUCT_MEMBER(uint64_t, backtrace)  // char*
+  PROCESS_TYPE_STRUCT_MEMBER(uint64_t, message2)  // char*
+  PROCESS_TYPE_STRUCT_MEMBER(uint64_t, thread)
+  PROCESS_TYPE_STRUCT_MEMBER(uint64_t, dialog_mode)  // unsigned int
+PROCESS_TYPE_STRUCT_END(crashreporter_annotations_t)