Mojom runtime type info: Use compression and base64 encoding.

mojo/dart/packages/mojo/lib/mojo/bindings/types/mojom_files.mojom.dart

Index: mojo/dart/packages/mojo/lib/mojo/bindings/types/mojom_files.mojom.dart
diff --git a/mojo/dart/packages/mojo/lib/mojo/bindings/types/mojom_files.mojom.dart b/mojo/dart/packages/mojo/lib/mojo/bindings/types/mojom_files.mojom.dart
index 6d7aa4ce7b334edc2ab8929902b8daa6223e8dff..bccd03912c5945251d90d0056e70e66a82b0b1e3 100644
--- a/mojo/dart/packages/mojo/lib/mojo/bindings/types/mojom_files.mojom.dart
+++ b/mojo/dart/packages/mojo/lib/mojo/bindings/types/mojom_files.mojom.dart
@@ -19,7 +19,7 @@ class MojomFile extends bindings.Struct {
   List<mojom_types_mojom.Attribute> attributes = null;
   List<String> imports = null;
   KeysByType declaredMojomObjects = null;
-  List<int> serializedRuntimeTypeInfo = null;
+  String serializedRuntimeTypeInfo = null;
 
   MojomFile() : super(kVersions.last.size);
 
@@ -104,7 +104,7 @@ class MojomFile extends bindings.Struct {
     }
     if (mainDataHeader.version >= 0) {
       
-      result.serializedRuntimeTypeInfo = decoder0.decodeUint8Array(56, bindings.kArrayNullable, bindings.kUnspecifiedArrayLength);
+      result.serializedRuntimeTypeInfo = decoder0.decodeString(56, true);
     }
     return result;
   }
@@ -168,7 +168,7 @@ class MojomFile extends bindings.Struct {
       rethrow;
     }
     try {
-      encoder0.encodeUint8Array(serializedRuntimeTypeInfo, 56, bindings.kArrayNullable, bindings.kUnspecifiedArrayLength);
+      encoder0.encodeString(serializedRuntimeTypeInfo, 56, true);
     } on bindings.MojoCodecError catch(e) {
       e.message = "Error encountered while encoding field "
           "serializedRuntimeTypeInfo of struct MojomFile: $e";