Add MinidumpCrashpadModule, its list form, their writers, and their tests

minidump/test/minidump_writable_test_util.cc

Index: minidump/test/minidump_writable_test_util.cc
diff --git a/minidump/test/minidump_writable_test_util.cc b/minidump/test/minidump_writable_test_util.cc
index 3e98a0335dadd3abe9ac94810833fc37dd79470e..5082e4f9462f092f8f92a7bb386cdf145d196c2b 100644
--- a/minidump/test/minidump_writable_test_util.cc
+++ b/minidump/test/minidump_writable_test_util.cc
@@ -160,6 +160,14 @@ struct MinidumpThreadListTraits {
   }
 };
 
+struct MinidumpCrashpadModuleListTraits {
+  typedef MinidumpCrashpadModuleList ListType;
+  static constexpr size_t kElementSize = sizeof(MINIDUMP_LOCATION_DESCRIPTOR);
+  static size_t ElementCount(const ListType* list) {
+    return list->count;
+  }
+};
+
 struct MinidumpSimpleStringDictionaryListTraits {
   typedef MinidumpSimpleStringDictionary ListType;
   static constexpr size_t kElementSize =
@@ -217,6 +225,15 @@ const MINIDUMP_THREAD_LIST* MinidumpWritableAtLocationDescriptor<
 }
 
 template <>
+const MinidumpCrashpadModuleList*
+MinidumpWritableAtLocationDescriptor<MinidumpCrashpadModuleList>(
+    const std::string& file_contents,
+    const MINIDUMP_LOCATION_DESCRIPTOR& location) {
+  return MinidumpListAtLocationDescriptor<
+      MinidumpCrashpadModuleListTraits>(file_contents, location);
+}
+
+template <>
 const MinidumpSimpleStringDictionary*
 MinidumpWritableAtLocationDescriptor<MinidumpSimpleStringDictionary>(
     const std::string& file_contents,