win: Make reading CrashpadInfo work across bitness

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 39 matching lines @@
                                     base::UTF16ToUTF8(name_))) {
     return false;
   }
 
   INITIALIZATION_STATE_SET_VALID(initialized_);
   return true;
 }
 
 void ModuleSnapshotWin::GetCrashpadOptions(CrashpadInfoClientOptions* options) {
   INITIALIZATION_STATE_DCHECK_VALID(initialized_);
-
-  process_types::CrashpadInfo crashpad_info;
-  if (!pe_image_reader_->GetCrashpadInfo(&crashpad_info)) {
-    options->crashpad_handler_behavior = TriState::kUnset;
-    options->system_crash_reporter_forwarding = TriState::kUnset;
-    return;
-  }
-
-  options->crashpad_handler_behavior =
-      CrashpadInfoClientOptions::TriStateFromCrashpadInfo(
-          crashpad_info.crashpad_handler_behavior);
-
-  options->system_crash_reporter_forwarding =
-      CrashpadInfoClientOptions::TriStateFromCrashpadInfo(
-          crashpad_info.system_crash_reporter_forwarding);
+  if (process_reader_->Is64Bit())
+    GetCrashpadOptionsInternal<process_types::internal::Traits64>(options);
+  else
+    GetCrashpadOptionsInternal<process_types::internal::Traits32>(options);
 }
 
 std::string ModuleSnapshotWin::Name() const {
   INITIALIZATION_STATE_DCHECK_VALID(initialized_);
   return base::UTF16ToUTF8(name_);
 }
 
 uint64_t ModuleSnapshotWin::Address() const {
   INITIALIZATION_STATE_DCHECK_VALID(initialized_);
   return pe_image_reader_->Address();
@@ skipping 79 matching lines @@
 }
 
 std::map<std::string, std::string> ModuleSnapshotWin::AnnotationsSimpleMap()
     const {
   INITIALIZATION_STATE_DCHECK_VALID(initialized_);
   PEImageAnnotationsReader annotations_reader(
       process_reader_, pe_image_reader_.get(), name_);
   return annotations_reader.SimpleMap();
 }
 
+template <class Traits>
+void ModuleSnapshotWin::GetCrashpadOptionsInternal(
+    CrashpadInfoClientOptions* options) {
+  process_types::CrashpadInfo<Traits> crashpad_info;
+  if (!pe_image_reader_->GetCrashpadInfo(&crashpad_info)) {
+    options->crashpad_handler_behavior = TriState::kUnset;
+    options->system_crash_reporter_forwarding = TriState::kUnset;
+    return;
+  }
+
+  options->crashpad_handler_behavior =
+      CrashpadInfoClientOptions::TriStateFromCrashpadInfo(
+          crashpad_info.crashpad_handler_behavior);
+
+  options->system_crash_reporter_forwarding =
+      CrashpadInfoClientOptions::TriStateFromCrashpadInfo(
+          crashpad_info.system_crash_reporter_forwarding);
+}
+
 }  // namespace internal
 }  // namespace crashpad