Use signature inheritance when method types are unchanged

lib/runtime/dart/convert.js

Index: lib/runtime/dart/convert.js
diff --git a/lib/runtime/dart/convert.js b/lib/runtime/dart/convert.js
index 2002be1eddaccdc82d9393b7f952cf67986abf3c..91fcb224226047b66af0364a52cea59a879e8eec 100644
--- a/lib/runtime/dart/convert.js
+++ b/lib/runtime/dart/convert.js
@@ -360,8 +360,7 @@ var collection = dart.import(collection);
   dart.setSignature(_ErrorHandlingAsciiDecoderSink, {
     methods: () => ({
       close: dart.functionType(dart.void, []),
-      add: dart.functionType(dart.void, [core.List$(core.int)]),
-      addSlice: dart.functionType(dart.void, [core.List$(core.int), core.int, core.int, core.bool])
+      add: dart.functionType(dart.void, [core.List$(core.int)])
     })
   });
   class _SimpleAsciiDecoderSink extends ByteConversionSinkBase {
@@ -395,8 +394,7 @@ var collection = dart.import(collection);
   dart.setSignature(_SimpleAsciiDecoderSink, {
     methods: () => ({
       close: dart.functionType(dart.void, []),
-      add: dart.functionType(dart.void, [core.List$(core.int)]),
-      addSlice: dart.functionType(dart.void, [core.List$(core.int), core.int, core.int, core.bool])
+      add: dart.functionType(dart.void, [core.List$(core.int)])
     })
   });
   class _ByteAdapterSink extends ByteConversionSinkBase {
@@ -632,9 +630,7 @@ var collection = dart.import(collection);
     }
   }
   dart.defineNamedConstructor(HtmlEscapeMode, '_');
-  dart.setSignature(HtmlEscapeMode, {
-    methods: () => ({toString: dart.functionType(core.String, [])})
-  });
+  dart.setSignature(HtmlEscapeMode, {});
   HtmlEscapeMode.UNKNOWN = dart.const(new HtmlEscapeMode._('unknown', true, true, true, true));
   let _convert = Symbol('_convert');
   class HtmlEscape extends Converter$(core.String, core.String) {
@@ -763,9 +759,7 @@ var collection = dart.import(collection);
       }
     }
   }
-  dart.setSignature(JsonUnsupportedObjectError, {
-    methods: () => ({toString: dart.functionType(core.String, [])})
-  });
+  dart.setSignature(JsonUnsupportedObjectError, {});
   class JsonCyclicError extends JsonUnsupportedObjectError {
     JsonCyclicError(object) {
       super.JsonUnsupportedObjectError(object);
@@ -774,9 +768,7 @@ var collection = dart.import(collection);
       return "Cyclic error in JSON stringify";
     }
   }
-  dart.setSignature(JsonCyclicError, {
-    methods: () => ({toString: dart.functionType(core.String, [])})
-  });
+  dart.setSignature(JsonCyclicError, {});
   let _reviver = Symbol('_reviver');
   let _toEncodable$ = Symbol('_toEncodable');
   class JsonCodec extends Codec$(core.Object, core.String) {
@@ -1603,8 +1595,7 @@ var collection = dart.import(collection);
     methods: () => ({
       close: dart.functionType(dart.void, []),
       add: dart.functionType(dart.void, [core.List$(core.int)]),
-      [_addSliceToSink]: dart.functionType(dart.void, [core.List$(core.int), core.int, core.int, core.bool]),
-      addSlice: dart.functionType(dart.void, [core.List$(core.int), core.int, core.int, core.bool])
+      [_addSliceToSink]: dart.functionType(dart.void, [core.List$(core.int), core.int, core.int, core.bool])
     })
   });
   class _Latin1AllowInvalidDecoderSink extends _Latin1DecoderSink {
@@ -1630,9 +1621,7 @@ var collection = dart.import(collection);
       }
     }
   }
-  dart.setSignature(_Latin1AllowInvalidDecoderSink, {
-    methods: () => ({addSlice: dart.functionType(dart.void, [core.List$(core.int), core.int, core.int, core.bool])})
-  });
+  dart.setSignature(_Latin1AllowInvalidDecoderSink, {});
   class LineSplitter extends Converter$(core.String, core.List$(core.String)) {
     LineSplitter() {
       super.Converter();
@@ -1878,10 +1867,7 @@ var collection = dart.import(collection);
   dart.setSignature(_StringSinkConversionSink, {
     methods: () => ({
       close: dart.functionType(dart.void, []),
-      addSlice: dart.functionType(dart.void, [core.String, core.int, core.int, core.bool]),
-      add: dart.functionType(dart.void, [core.String]),
-      asUtf8Sink: dart.functionType(ByteConversionSink, [core.bool]),
-      asStringSink: dart.functionType(ClosableStringSink, [])
+      addSlice: dart.functionType(dart.void, [core.String, core.int, core.int, core.bool])
     })
   });
   class _StringCallbackSink extends _StringSinkConversionSink {
@@ -1899,12 +1885,7 @@ var collection = dart.import(collection);
       return new _Utf8StringSinkAdapter(this, this[_stringSink], allowMalformed);
     }
   }
-  dart.setSignature(_StringCallbackSink, {
-    methods: () => ({
-      close: dart.functionType(dart.void, []),
-      asUtf8Sink: dart.functionType(ByteConversionSink, [core.bool])
-    })
-  });
+  dart.setSignature(_StringCallbackSink, {});
   class _StringAdapterSink extends StringConversionSinkBase {
     _StringAdapterSink(sink) {
       this[_sink] = sink;
@@ -1927,7 +1908,6 @@ var collection = dart.import(collection);
   }
   dart.setSignature(_StringAdapterSink, {
     methods: () => ({
-      add: dart.functionType(dart.void, [core.String]),
       addSlice: dart.functionType(dart.void, [core.String, core.int, core.int, core.bool]),
       close: dart.functionType(dart.void, [])
     })
@@ -2732,7 +2712,6 @@ var collection = dart.import(collection);
       remove: dart.functionType(dart.dynamic, [core.Object]),
       clear: dart.functionType(dart.void, []),
       forEach: dart.functionType(dart.void, [dart.functionType(dart.void, [dart.dynamic, dart.dynamic])]),
-      toString: dart.functionType(core.String, []),
       [_computeKeys]: dart.functionType(core.List$(core.String), []),
       [_upgrade]: dart.functionType(core.Map, []),
       [_process]: dart.functionType(dart.dynamic, [core.String])
@@ -2767,10 +2746,7 @@ var collection = dart.import(collection);
     }
   }
   dart.setSignature(_JsonMapKeyIterable, {
-    methods: () => ({
-      [core.$elementAt]: dart.functionType(core.String, [core.int]),
-      [core.$contains]: dart.functionType(core.bool, [core.Object])
-    })
+    methods: () => ({[core.$elementAt]: dart.functionType(core.String, [core.int])})
   });
   class _JsonDecoderSink extends _StringSinkConversionSink {
     _JsonDecoderSink(reviver, sink) {
@@ -2788,9 +2764,7 @@ var collection = dart.import(collection);
       this[_sink].close();
     }
   }
-  dart.setSignature(_JsonDecoderSink, {
-    methods: () => ({close: dart.functionType(dart.void, [])})
-  });
+  dart.setSignature(_JsonDecoderSink, {});
   // Exports:
   exports.Codec$ = Codec$;
   exports.Codec = Codec;