win: Plumb module PDB name through snapshot

minidump/minidump_module_writer.cc

Index: minidump/minidump_module_writer.cc
diff --git a/minidump/minidump_module_writer.cc b/minidump/minidump_module_writer.cc
index 7e316ea2a7e43504756c9461a53b66ba7e7c7cde..fd78b9f8fca5c1534539e99773311b42e60d44a8 100644
--- a/minidump/minidump_module_writer.cc
+++ b/minidump/minidump_module_writer.cc
@@ -106,15 +106,7 @@ void MinidumpModuleCodeViewRecordPDB70Writer::InitializeFromSnapshot(
     const ModuleSnapshot* module_snapshot) {
   DCHECK_EQ(state(), kStateMutable);
 
-  std::string name = module_snapshot->Name();
-  std::string leaf_name;
-  size_t last_slash = name.find_last_of('/');
-  if (last_slash != std::string::npos) {
-    leaf_name = name.substr(last_slash + 1);
-  } else {
-    leaf_name = name;
-  }
-  SetPDBName(leaf_name);
+  SetPDBName(module_snapshot->DebugFileName());
 
   UUID uuid;
   uint32_t age;