Windows dump_syms: Add dumping of x86_64 CFI from PDB files

src/common/windows/pdb_source_line_writer.h

 // Copyright (c) 2006, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 // notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
@@ skipping 144 matching lines @@
   // backtraces in the absence of frame pointers. For x86 data stored in
   // .pdb files. Returns true on success.
   bool PrintFrameDataUsingPDB();
 
   // Outputs all of the frame information necessary to construct stack
   // backtraces in the absence of frame pointers. For x64 data stored in
   // .exe, .dll files. Returns true on success.
   bool PrintFrameDataUsingEXE();
 
   // Outputs all of the frame information necessary to construct stack
+  // backtraces in the absence of frame pointers. For x64 data stored in
+  // the .pdb files. Returns true on success.
+  bool PrintFrameDataUsingPDBXData();
+
+  // Outputs all of the frame information necessary to construct stack
   // backtraces in the absence of frame pointers.  Returns true on success.
   bool PrintFrameData();
 
   // Outputs a single public symbol address and name, if the symbol corresponds
   // to a code address.  Returns true on success.  If symbol is does not
   // correspond to code, returns true without outputting anything.
   bool PrintCodePublicSymbol(IDiaSymbol *symbol);
 
   // Outputs a line identifying the PDB file that is being dumped, along with
   // its uuid and age.
@@ skipping 73 matching lines @@
   ImageMap image_map_;
 
   // Disallow copy ctor and operator=
   PDBSourceLineWriter(const PDBSourceLineWriter&);
   void operator=(const PDBSourceLineWriter&);
 };
 
 }  // namespace google_breakpad
 
 #endif  // COMMON_WINDOWS_PDB_SOURCE_LINE_WRITER_H_