Mostly-boilerplate to add MemoryMapSnapshot

snapshot/test/test_process_snapshot.cc

Index: snapshot/test/test_process_snapshot.cc
diff --git a/snapshot/test/test_process_snapshot.cc b/snapshot/test/test_process_snapshot.cc
index 1d21212dba31de031ef263d14c0f54f6ef2000a6..d388c6016a100a80279cde820fb53621b7f49752 100644
--- a/snapshot/test/test_process_snapshot.cc
+++ b/snapshot/test/test_process_snapshot.cc
@@ -33,6 +33,7 @@ TestProcessSnapshot::TestProcessSnapshot()
       threads_(),
       modules_(),
       exception_(),
+      memory_map_(),
       extra_memory_() {
 }
 
@@ -98,6 +99,14 @@ const ExceptionSnapshot* TestProcessSnapshot::Exception() const {
   return exception_.get();
 }
 
+std::vector<const MemoryMapRegionSnapshot*> TestProcessSnapshot::MemoryMap()
+    const {
+  std::vector<const MemoryMapRegionSnapshot*> memory_map;
+  for (const auto& item : memory_map_)
+    memory_map.push_back(item);
+  return memory_map;
+}
+
 std::vector<const MemorySnapshot*> TestProcessSnapshot::ExtraMemory() const {
   std::vector<const MemorySnapshot*> extra_memory;
   for (const auto& em : extra_memory_)