win x86: Grab bag of restructuring to get tests working on x86-on-x86

snapshot/win/exception_snapshot_win.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,
@@ skipping 43 matching lines @@
   // ExceptionSnapshot:
 
   const CPUContext* Context() const override;
   uint64_t ThreadID() const override;
   uint32_t Exception() const override;
   uint32_t ExceptionInfo() const override;
   uint64_t ExceptionAddress() const override;
   const std::vector<uint64_t>& Codes() const override;
 
  private:
+  template <class ExceptionRecordType, class ContextType>
+  bool InitializeFromExceptionPointers(
+      const ProcessReaderWin& process_reader,
+      const EXCEPTION_POINTERS& exception_pointers,
+      ContextType* context_record);
+
 #if defined(ARCH_CPU_X86_FAMILY)
   union {
     CPUContextX86 x86;
     CPUContextX86_64 x86_64;
   } context_union_;
 #endif
   CPUContext context_;
   std::vector<uint64_t> codes_;
   uint64_t thread_id_;
   uint64_t exception_address_;
   uint32_t exception_flags_;
   DWORD exception_code_;
   InitializationStateDcheck initialized_;
 
   DISALLOW_COPY_AND_ASSIGN(ExceptionSnapshotWin);
 };
 
 }  // namespace internal
 }  // namespace crashpad
 
 #endif  // CRASHPAD_SNAPSHOT_WIN_EXCEPTION_SNAPSHOT_WIN_H_