win: Capture some memory pointed at by context

snapshot/win/capture_context_memory.h

Index: snapshot/win/capture_context_memory.h
diff --git a/snapshot/win/capture_context_memory.h b/snapshot/win/capture_context_memory.h
new file mode 100644
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+++ b/snapshot/win/capture_context_memory.h
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+// Copyright 2016 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_WIN_CAPTURE_CONTEXT_MEMORY_H_
+#define CRASHPAD_SNAPSHOT_WIN_CAPTURE_CONTEXT_MEMORY_H_
+
+#include "snapshot/cpu_context.h"
+#include "snapshot/win/process_reader_win.h"
+#include "util/stdlib/pointer_container.h"
+
+namespace crashpad {
+namespace internal {
+
+class MemorySnapshotWin;
+
+//! \brief For all registers that appear to be pointer-like in \a context,
+//!     captures a small amount of memory near their pointed to location.
+//!
+//! \param[in] context The context to inspect.
+//! \param[in] process_reader A ProcessReaderWin to read from the target
+//!     process.
+//! \param[in] thread The thread to which the context belongs.
+//! \param[out] into A vector of pointers to append new ranges to.
+void CaptureMemoryPointedToByContext(const CPUContext& context,
+                                     ProcessReaderWin* process_reader,
+                                     const ProcessReaderWin::Thread& thread,
+                                     PointerVector<MemorySnapshotWin>* into);
+
+}  // namespace internal
+}  // namespace crashpad
+
+#endif  // CRASHPAD_SNAPSHOT_WIN_CAPTURE_CONTEXT_MEMORY_H_