[llvm-pdbdump] Abstract some of the YAML/Raw printing code.

There is a lot of duplicate code for printing line info between
YAML and the raw output printer.  This introduces a base class
that can be shared between the two, and makes some minor
cleanups in the process.

llvm-svn: 301728

llvm/lib/DebugInfo/PDB/Native/ModuleDebugStream.cpp

@@ -35,7 +35,7 @@ Error ModuleDebugStream::reload() {
   BinaryStreamReader Reader(*Stream);
 
   uint32_t SymbolSize = Mod.getSymbolDebugInfoByteSize();
-  uint32_t C11Size = Mod.getLineInfoByteSize();
+  uint32_t C11Size = Mod.getC11LineInfoByteSize();
   uint32_t C13Size = Mod.getC13LineInfoByteSize();
 
   if (C11Size > 0 && C13Size > 0)