snapshot: Add a minimal ModuleSnapshotMinidump and accessor from ProcessSnapshotMinidump

snapshot/minidump/minidump_string_list_reader.h

Index: snapshot/minidump/minidump_string_list_reader.h
diff --git a/snapshot/minidump/minidump_string_reader.h b/snapshot/minidump/minidump_string_list_reader.h
similarity index 53%
copy from snapshot/minidump/minidump_string_reader.h
copy to snapshot/minidump/minidump_string_list_reader.h
index e5667ec242bc8f53d570179f4eddfeb2f8cb90f7..2521605a1cfa2e66c9fd6f45d5384ce5eda011cf 100644
--- a/snapshot/minidump/minidump_string_reader.h
+++ b/snapshot/minidump/minidump_string_list_reader.h
@@ -12,29 +12,31 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-#ifndef CRASHPAD_SNAPSHOT_MINIDUMP_MINIDUMP_STRING_READER_H_
-#define CRASHPAD_SNAPSHOT_MINIDUMP_MINIDUMP_STRING_READER_H_
+#ifndef CRASHPAD_SNAPSHOT_MINIDUMP_MINIDUMP_STRING_LIST_READER_H_
+#define CRASHPAD_SNAPSHOT_MINIDUMP_MINIDUMP_STRING_LIST_READER_H_
 
 #include <windows.h>
 #include <dbghelp.h>
 
 #include <string>
+#include <vector>
 
 #include "util/file/file_reader.h"
 
 namespace crashpad {
 namespace internal {
 
-//! \brief Reads a MinidumpUTF8String from a minidump file at offset \a rva in
-//!     \a file_reader, and returns it in \a string.
+//! \brief Reads a list of MinidumpUTF8String objects in a MinidumpRVAList from
+//!     a minidump file \a location in \a file_reader, and returns it in \a
+//!     list.
 //!
-//! \return `true` on success, with \a string set. `false` on failure, with a
-//!     message logged.
-bool ReadMinidumpUTF8String(FileReaderInterface* file_reader,
-                            RVA rva,
-                            std::string* string);
+//! \return `true` on success, with \a list set by replacing its contents.
+//!     `false` on failure, with a message logged.
+bool ReadMinidumpStringList(FileReaderInterface* file_reader,
+                            const MINIDUMP_LOCATION_DESCRIPTOR& location,
+                            std::vector<std::string>* list);
 
 }  // namespace internal
 }  // namespace crashpad
 
-#endif  // CRASHPAD_SNAPSHOT_MINIDUMP_MINIDUMP_STRING_READER_H_
+#endif  // CRASHPAD_SNAPSHOT_MINIDUMP_MINIDUMP_STRING_LIST_READER_H_