win: Plumb module PDB name through snapshot

snapshot/mac/module_snapshot_mac.cc

Index: snapshot/mac/module_snapshot_mac.cc
diff --git a/snapshot/mac/module_snapshot_mac.cc b/snapshot/mac/module_snapshot_mac.cc
index 7ddf217d0d0be8f3228dee467682224e5acdca44..64f04dce6303b7004725f68bf1f3b1b37da70d9d 100644
--- a/snapshot/mac/module_snapshot_mac.cc
+++ b/snapshot/mac/module_snapshot_mac.cc
@@ -17,6 +17,7 @@
 #include <mach/mach.h>
 #include <mach-o/loader.h>
 
+#include "base/files/file_path.h"
 #include "base/strings/stringprintf.h"
 #include "snapshot/mac/mach_o_image_annotations_reader.h"
 #include "snapshot/mac/mach_o_image_reader.h"
@@ -156,6 +157,11 @@ void ModuleSnapshotMac::UUIDAndAge(crashpad::UUID* uuid, uint32_t* age) const {
   *age = 0;
 }
 
+std::string ModuleSnapshotMac::DebugFileName() const {
+  INITIALIZATION_STATE_DCHECK_VALID(initialized_);
+  return base::FilePath(Name()).BaseName().value();
+}
+
 std::vector<std::string> ModuleSnapshotMac::AnnotationsVector() const {
   INITIALIZATION_STATE_DCHECK_VALID(initialized_);
   MachOImageAnnotationsReader annotations_reader(