Revert "Dartium JS Interop enabled."

tools/dom/templates/html/dartium/html_dartium.darttemplate

Index: tools/dom/templates/html/dartium/html_dartium.darttemplate
diff --git a/tools/dom/templates/html/dartium/html_dartium.darttemplate b/tools/dom/templates/html/dartium/html_dartium.darttemplate
index d49408b9553f1b74845986735f92b7be2f6fb2f1..c6a200f94757e4538f55445d043f9a6f5b71ce8f 100644
--- a/tools/dom/templates/html/dartium/html_dartium.darttemplate
+++ b/tools/dom/templates/html/dartium/html_dartium.darttemplate
@@ -250,6 +250,7 @@ Type _getSvgType(String key) {
   return null;
 }
 
+
 $if JSINTEROP
 // FIXME: Can we make this private?
 final htmlBlinkFunctionMap = {
@@ -302,42 +303,42 @@ getHtmlCreateFunction(String key) {
   return null;
 }
 
-Function _getHtmlFunction(String key) {
+Type _getHtmlFunction(String key) {
   if (htmlBlinkFunctionMap.containsKey(key)) {
     return htmlBlinkFunctionMap[key]();
   }
   return null;
 }
 
-Function _getWebGlFunction(String key) {
+Type _getWebGlFunction(String key) {
   if (web_glBlinkFunctionMap.containsKey(key)) {
     return web_glBlinkFunctionMap[key]();
   }
   return null;
 }
 
-Function _getIndexDbFunction(String key) {
+Type _getIndexDbFunction(String key) {
   if (indexed_dbBlinkFunctionMap.containsKey(key)) {
     return indexed_dbBlinkFunctionMap[key]();
   }
   return null;
 }
 
-Function _getWebAudioFunction(String key) {
+Type _getWebAudioFunction(String key) {
   if (web_audioBlinkFunctionMap.containsKey(key)) {
     return web_audioBlinkFunctionMap[key]();
   }
   return null;
 }
 
-Function _getWebSqlFunction(String key) {
+Type _getWebSqlFunction(String key) {
   if (web_sqlBlinkFunctionMap.containsKey(key)) {
     return web_sqlBlinkFunctionMap[key]();
   }
   return null;
 }
 
-Function _getSvgFunction(String key) {
+Type _getSvgFunction(String key) {
   if (svgBlinkFunctionMap.containsKey(key)) {
     return svgBlinkFunctionMap[key]();
   }
@@ -351,17 +352,8 @@ Function _getSvgFunction(String key) {
  **********                                                          **********
  ******************************************************************************/
 
-Rectangle make_dart_rectangle(r) =>
-    r == null ? null : new Rectangle(r['left'], r['top'], r['width'], r['height']);
-
-// Need a default constructor for constructing classes with mixins that are
-// also extending NativeFieldWrapperClass2.  Defining JsoNativeFieldWrapper
-// extending NativeFieldWrapperClass2 creates a default constructor.
-class JsoNativeFieldWrapper extends NativeFieldWrapperClass2 {}
+Rectangle make_dart_rectangle(r) => new Rectangle(r['top'], r['left'], r['width'], r['height']);
 
-// Flag to disable JS interop asserts.  Setting to false will speed up the
-// wrap_jso calls.
-bool __interop_checks = true;
 
 /** Expando for JsObject, used by every Dart class associated with a Javascript
  *  class (e.g., DOM, WebAudio, etc.).
@@ -370,110 +362,47 @@ bool __interop_checks = true;
 /**
  * Return the JsObject associated with a Dart class [dartClass_instance].
  */
-unwrap_jso(dartClass_instance) {
+js.JsObject unwrap_jso(dartClass_instance) {
   try {
-    if (dartClass_instance != null)
-      return dartClass_instance is NativeFieldWrapperClass2 ?
-          dartClass_instance.blink_jsObject : dartClass_instance;
-    else
-      return null;
+      if (dartClass_instance != null)
+          return dartClass_instance is! Function ? dartClass_instance.blink_jsObject : dartClass_instance;
+      else
+          return null;
+//      return dartClass_instance.dartium_expando[dartClass_instance.expandoJsObject];
   } catch(NoSuchMethodException) {
-    // No blink_jsObject then return the dartClass_instance is probably an
-    // array that was already converted to a Dart class e.g., Uint8ClampedList.
-    return dartClass_instance;
+      // No blink_jsObject then return the dartClass_instance is probably an
+      // array that was already converted to a Dart class e.g., Uint8ClampedList.
+      return dartClass_instance;
   }
 }
 
 /**
  * Create Dart class that maps to the JS Type, add the JsObject as an expando
- * on the Dart class and return the created Dart class.
+ * on the Dart class and return the created Dart class. 
  */
 wrap_jso(jsObject) {
-  try {
-    if (jsObject is! js.JsObject) {
+try {
+//  debug_or_assert("jsObject != null", jsObject != null);
+  if (jsObject is! js.JsObject) {
       // JS Interop converted the object to a Dart class e.g., Uint8ClampedList.
       return jsObject;
-    }
-    var constructor = jsObject['constructor'];
-    if (__interop_checks) {
-      if (jsObject is js.JsArray) {
-        return jsObject;
-      }
-
-      debug_or_assert("constructor != null", constructor != null);
-    }
-    if (constructor == js.context['Object']) {
-      return convertNativeObjectToDartMap(jsObject);
-    }
-    if (constructor == js.context['Promise']) {
-      return convertNativePromiseToDartFuture(jsObject);
-    }
-    var jsTypeName = constructor['name'];
-    if (__interop_checks) {
-      debug_or_assert("constructor != null && jsTypeName.length > 0", constructor != null && jsTypeName.length > 0);
-    }
-
-    var dartClass_instance;
-    if (jsObject.hasProperty('dart_class')) {
-      // Got a dart_class (it's a custom element) use it it's already set up.
-      dartClass_instance = jsObject['dart_class'];
-    } else {
-      var func = getHtmlCreateFunction(jsTypeName);
-      if (func != null) {
-        dartClass_instance = func();
-        dartClass_instance.blink_jsObject = jsObject;
-      }
-    }
-    return dartClass_instance;
-  } catch(e, stacktrace){
-    if (__interop_checks) {
-      if (e is DebugAssertException)
-        window.console.log("${e.message}\n ${stacktrace}");
-      else
-        window.console.log("${stacktrace}");
-    }
   }
-
-  return null;
+  var constructor = jsObject['constructor'];
+  debug_or_assert("constructor != null", constructor != null);
+  var jsTypeName = constructor['name'];
+  debug_or_assert("constructor != null && jsTypeName.length > 0", constructor != null && jsTypeName.length > 0);
+  var func = getHtmlCreateFunction(jsTypeName);
+  debug_or_assert("func != null name = ${jsTypeName}", func != null);
+  var dartClass_instance = func();
+  dartClass_instance.blink_jsObject = jsObject;
+//  dartClass_instance.dartium_expando[dartClass_instance.expandoJsObject] = jsObject;
+  return dartClass_instance;
+} catch(e, stacktrace){
+  if (e is DebugAssertException)
+    window.console.log("${e.message}\n ${stacktrace}");
+  else
+    window.console.log("${stacktrace}");
 }
-
-/**
- * Create Dart class that maps to the JS Type that is the JS type being 
- * extended using JS interop createCallback (we need the base type of the
- * custom element) not the Dart created constructor.
- */
-wrap_jso_custom_element(jsObject) {
-  try {
-    if (jsObject is! js.JsObject) {
-      // JS Interop converted the object to a Dart class e.g., Uint8ClampedList.
-      return jsObject;
-    }
-
-    // Find out what object we're extending.
-    var objectName = jsObject.toString();
-    // Expect to see something like '[object HTMLElement]'.
-    if (!objectName.startsWith('[object ')) {
-      return jsObject;
-    }
-
-    var extendsClass = objectName.substring(8, objectName.length - 1);
-    var func = getHtmlCreateFunction(extendsClass);
-    if (__interop_checks)
-      debug_or_assert("func != null name = ${extendsClass}", func != null);
-    var dartClass_instance = func();
-    dartClass_instance.blink_jsObject = jsObject;
-    return dartClass_instance;
-  } catch(e, stacktrace){
-    if (__interop_checks) {
-      if (e is DebugAssertException)
-        window.console.log("${e.message}\n ${stacktrace}");
-      else
-        window.console.log("${stacktrace}");
-    }
-
-    // Problem?
-    return null;
-  }
 }
 
 class DebugAssertException implements Exception {
@@ -487,73 +416,20 @@ debug_or_assert(message, expression) {
   }
 }
 
-// TODO(terry): Manage JS interop JsFunctions for each listener used for add/
-//              removeEventListener.  These JsFunctions will leak look at
-//              fixing with weak-refs in C++.  The key are the hashcodes of the
-//              user's this (this is needed for futures) and listener function.
-Map<int, Map<int, js.JsFunction>> _knownListeners = {};
-
-js.JsFunction wrap_event_listener(theObject, Function listener) {
-  var thisHashCode = theObject.hashCode;
-  var listenerHashCode = identityHashCode(listener);
-
-  _knownListeners.putIfAbsent(thisHashCode, () => new Map<int, js.JsFunction>());
-  _knownListeners[thisHashCode].putIfAbsent(listenerHashCode, () =>
-    new js.JsFunction.withThis((theObject, event) => listener(wrap_jso(event))));
-
-  return _knownListeners[thisHashCode][listenerHashCode];
-}
-
-Map<String, dynamic> convertNativeObjectToDartMap(js.JsObject jsObject) {
-  var result = new Map();
-  var keys = js.context['Object'].callMethod('keys', [jsObject]);
-  for (var key in keys) {
-    result[key] = wrap_jso(jsObject[key]);
+// Wrap JsObject node list to return a List<node>.
+List<Node> wrap_jso_list(jso_nodes) {
+  List<Node> nodes = new List<Node>();
+  var collectionLen = jso_nodes['length'];
+  for (var i = 0; i < collectionLen; i++) {
+    nodes.add(wrap_jso(jso_nodes.callMethod('item', [i])));
   }
-  return result;
-}
-
-// Converts a flat Dart map into a JavaScript object with properties this is
-// is the Dartium only version it uses dart:js.
-convertDartToNative_Dictionary(Map dict) {
-  if (dict == null) return null;
-  var jsObject = new js.JsObject(js.context['Object']);
-  dict.forEach((String key, value) {
-    if (value is List) {
-      var jsArray = new js.JsArray();
-      value.forEach((elem) {
-        jsArray.add(elem is Map ? convertDartToNative_Dictionary(elem): elem);
-      });
-      jsObject[key] = jsArray;
-    } else {
-      jsObject[key] = value;
-    }
-  });
-  return jsObject;
-}
-
-// Converts a Dart list into a JsArray. For the Dartium version only.
-convertDartToNative_List(List input) => new js.JsArray()..addAll(input);
-
-// Conversion function place holder (currently not used in dart2js or dartium).
-List convertDartToNative_StringArray(List<String> input) => input;
-
-Future convertNativePromiseToDartFuture(js.JsObject promise) {
-  var completer = new Completer();
-  var newPromise = promise
-      .callMethod("then", [(result) => completer.complete(result)])
-      .callMethod("catch", [(result) => completer.completeError(result)]);
-  return completer.future;
+  var frozen_nodes = new _FrozenElementList._wrap(nodes);
+  frozen_nodes.dartClass_instance = jso_nodes;
+  return frozen_nodes;
 }
-
 $else
-class JsoNativeFieldWrapper extends NativeFieldWrapperClass2 {}
-
 unwrap_jso(dartClass_instance) => dartClass_instance;
 wrap_jso(jsObject) => jsObject;
+wrap_jso_list(jso_nodes) => jso_nodes;
 make_dart_rectangle(r) => r;
-convertDartToNative_Dictionary(Map dict) =>  dict;
-List convertDartToNative_StringArray(List<String> input) => input;
-convertDartToNative_List(List input) => input;
-
 $endif