Convert make_names and make_event_factory to use json5 config format.

third_party/WebKit/Source/core/events/EventAliases.json5

Index: third_party/WebKit/Source/core/events/EventAliases.json5
diff --git a/third_party/WebKit/Source/core/events/EventAliases.json5 b/third_party/WebKit/Source/core/events/EventAliases.json5
new file mode 100644
index 0000000000000000000000000000000000000000..106e92592e4037e7ae2e14e610f737f4c5a09b62
--- /dev/null
+++ b/third_party/WebKit/Source/core/events/EventAliases.json5
@@ -0,0 +1,41 @@
+{
+data: [
+  // Aliases
+  {
+    name: "WebKitAnimationEvent",
+    ImplementedAs: "AnimationEvent",
+  },
+  {
+    name: "Events",
+    ImplementedAs: "Event",
+  },
+  {
+    name: "HTMLEvents",
+    ImplementedAs: "Event",
+  },
+  {
+    name: "KeyboardEvents",
+    ImplementedAs: "KeyboardEvent",
+  },
+  {
+    name: "MouseEvents",
+    ImplementedAs: "MouseEvent",
+  },
+  {
+    name: "MutationEvents",
+    ImplementedAs: "MutationEvent",
+  },
+  {
+    name: "SVGEvents",
+    ImplementedAs: "Event",
+  },
+  {
+    name: "UIEvents",
+    ImplementedAs: "UIEvent",
+  },
+  {
+    name: "WebKitTransitionEvent",
+    ImplementedAs: "TransitionEvent",
+  },
+]
+}