win: Add thread snapshot and memory snapshot for stacks

snapshot/win/thread_snapshot_win.h

-// Copyright 2014 The Crashpad Authors. All rights reserved.
+// 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_SNAPSHOT_MAC_THREAD_SNAPSHOT_MAC_H_
-#define CRASHPAD_SNAPSHOT_MAC_THREAD_SNAPSHOT_MAC_H_
+#ifndef CRASHPAD_SNAPSHOT_WIN_THREAD_SNAPSHOT_WIN_H_
+#define CRASHPAD_SNAPSHOT_WIN_THREAD_SNAPSHOT_WIN_H_
 
-#include <mach/mach.h>
 #include <stdint.h>
 
 #include "base/basictypes.h"
-#include "build/build_config.h"
 #include "snapshot/cpu_context.h"
-#include "snapshot/mac/memory_snapshot_mac.h"
 #include "snapshot/memory_snapshot.h"
 #include "snapshot/thread_snapshot.h"
+#include "snapshot/win/memory_snapshot_win.h"
+#include "snapshot/win/process_reader_win.h"
 #include "util/misc/initialization_state_dcheck.h"
 
 namespace crashpad {
 
-class ProcessReader;
+class ProcessReaderWin;
 
 namespace internal {
 
 //! \brief A ThreadSnapshot of a thread in a running (or crashed) process on a
-//!     Mac OS X system.
-class ThreadSnapshotMac final : public ThreadSnapshot {
+//!     Windows system.
+class ThreadSnapshotWin final : public ThreadSnapshot {
  public:
-  ThreadSnapshotMac();
-  ~ThreadSnapshotMac() override;
+  ThreadSnapshotWin();
+  ~ThreadSnapshotWin() override;
 
   //! \brief Initializes the object.
   //!
-  //! \param[in] process_reader A ProcessReader for the task containing the
-  //!     thread.
-  //! \param[in] process_reader_thread The thread within the ProcessReader for
-  //!     which the snapshot should be created.
+  //! \param[in] process_reader A ProcessReaderWin for the process containing
+  //!     the thread.
+  //! \param[in] process_reader_thread The thread within the ProcessReaderWin
+  //!     for which the snapshot should be created.
   //!
   //! \return `true` if the snapshot could be created, `false` otherwise with
   //!     an appropriate message logged.
-  bool Initialize(ProcessReader* process_reader,
-                  const ProcessReader::Thread& process_reader_thread);
+  bool Initialize(ProcessReaderWin* process_reader,
+                  const ProcessReaderWin::Thread& process_reader_thread);
 
   // ThreadSnapshot:
 
   const CPUContext* Context() const override;
   const MemorySnapshot* Stack() const override;
   uint64_t ThreadID() const override;
   int SuspendCount() const override;
   int Priority() const override;
   uint64_t ThreadSpecificDataAddress() const override;
 
  private:
-#if defined(ARCH_CPU_X86_FAMILY)
-  union {
-    CPUContextX86 x86;
-    CPUContextX86_64 x86_64;
-  } context_union_;
-#endif
   CPUContext context_;
-  MemorySnapshotMac stack_;
-  uint64_t thread_id_;
-  uint64_t thread_specific_data_address_;
-  thread_t thread_;
-  int suspend_count_;
-  int priority_;
+  MemorySnapshotWin stack_;
+  ProcessReaderWin::Thread thread_;
   InitializationStateDcheck initialized_;
 
-  DISALLOW_COPY_AND_ASSIGN(ThreadSnapshotMac);
+  DISALLOW_COPY_AND_ASSIGN(ThreadSnapshotWin);
 };
 
 }  // namespace internal
 }  // namespace crashpad
 
-#endif  // CRASHPAD_SNAPSHOT_MAC_THREAD_SNAPSHOT_MAC_H_
+#endif  // CRASHPAD_SNAPSHOT_WIN_THREAD_SNAPSHOT_WIN_H_