Capture UUID age field on Windows

snapshot/win/module_snapshot_win.cc

 // 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,
@@ skipping 117 matching lines @@
     if (ffi.dwFileType == VFT_APP)
       return ModuleSnapshot::kModuleTypeExecutable;
     if (ffi.dwFileType == VFT_DLL)
       return ModuleSnapshot::kModuleTypeSharedLibrary;
     if (ffi.dwFileType == VFT_DRV || ffi.dwFileType == VFT_VXD)
       return ModuleSnapshot::kModuleTypeLoadableModule;
   }
   return ModuleSnapshot::kModuleTypeUnknown;
 }
 
-void ModuleSnapshotWin::UUID(crashpad::UUID* uuid) const {
+void ModuleSnapshotWin::UUIDAndAge(crashpad::UUID* uuid, uint32_t* age) const {
   INITIALIZATION_STATE_DCHECK_VALID(initialized_);
-  // TODO(scottmg): Also pass the age and pdbname through to snapshot?
-  DWORD age;
+  // TODO(scottmg): Consider passing pdbname through to snapshot.
   std::string pdbname;
-  if (!pe_image_reader_->DebugDirectoryInformation(uuid, &age, &pdbname))
+  DWORD age_dword;
+  if (!pe_image_reader_->DebugDirectoryInformation(
+          uuid, &age_dword, &pdbname)) {
     *uuid = crashpad::UUID();
+    *age = 0;
+  }
+  static_assert(sizeof(DWORD) == sizeof(uint32_t), "unexpected age size");
+  *age = age_dword;
 }
 
 std::vector<std::string> ModuleSnapshotWin::AnnotationsVector() const {
   INITIALIZATION_STATE_DCHECK_VALID(initialized_);
   // These correspond to system-logged things on Mac. We don't currently track
   // any of these on Windows, but could in the future.
   // See https://code.google.com/p/crashpad/issues/detail?id=38.
   return std::vector<std::string>();
 }
 
@@ skipping 19 matching lines @@
       CrashpadInfoClientOptions::TriStateFromCrashpadInfo(
           crashpad_info.crashpad_handler_behavior);
 
   options->system_crash_reporter_forwarding =
       CrashpadInfoClientOptions::TriStateFromCrashpadInfo(
           crashpad_info.system_crash_reporter_forwarding);
 }
 
 }  // namespace internal
 }  // namespace crashpad