Add @JSName annotation for native fields and methods.

sdk/lib/html/scripts/generator.py

Index: sdk/lib/html/scripts/generator.py
diff --git a/sdk/lib/html/scripts/generator.py b/sdk/lib/html/scripts/generator.py
index 76b5ecfe5a570a05349b8e8f7fe85150b079b6a3..d06bf352043ff2461a1fc8993ecafec6cf5f4441 100644
--- a/sdk/lib/html/scripts/generator.py
+++ b/sdk/lib/html/scripts/generator.py
@@ -545,11 +545,15 @@ dart2js_conversions = {
     'SerializedScriptValue set Worker.postMessage': _serialize_SSV,
 
     # receiving message via MessageEvent
-    'DOMObject get MessageEvent.data':
+    '* get MessageEvent.data':
       Conversion('_convertNativeToDart_SerializedScriptValue',
                  'dynamic', 'dynamic'),
 
-    'DOMObject get PopStateEvent.state':
+    '* get History.state':
+      Conversion('_convertNativeToDart_SerializedScriptValue',
+                 'dynamic', 'dynamic'),
+
+    '* get PopStateEvent.state':
       Conversion('_convertNativeToDart_SerializedScriptValue',
                  'dynamic', 'dynamic'),
 
@@ -577,13 +581,14 @@ dart2js_conversions = {
 def FindConversion(idl_type, direction, interface, member):
   table = dart2js_conversions
   return (table.get('%s %s %s.%s' % (idl_type, direction, interface, member)) or
+          table.get('* %s %s.%s' % (direction, interface, member)) or
           table.get('%s %s %s.*' % (idl_type, direction, interface)) or
           table.get('%s %s' % (idl_type, direction)))
   return None
 
 # ------------------------------------------------------------------------------
 
-# Annotations to be placed on members.  The table is indexed by the IDL
+# Annotations to be placed on native members.  The table is indexed by the IDL
 # interface and member name, and by IDL return or field type name.  Both are
 # used to assemble the annotations:
 #
@@ -602,8 +607,18 @@ dart2js_annotations = {
     'CanvasRenderingContext2D.webkitGetImageDataHD':
       "@Creates('ImageData|=Object')",
 
+    # Methods returning Window can return a local window, or a cross-frame
+    # window (=Object) that needs wrapping.
+    'DOMWindow':
+      "@Creates('LocalWindow|=Object') @Returns('LocalWindow|=Object')",
+
     'DOMWindow.openDatabase': "@Creates('Database') @Creates('DatabaseSync')",
 
+    # Cross-frame windows are EventTargets.
+    'EventTarget':
+      #"@Creates('Null') @Returns('EventTarget|=Object')",
+      "@Creates('EventTarget|=Object') @Returns('EventTarget|=Object')",
+
     'FileReader.result': "@Creates('String|ArrayBuffer|Null')",
 
     # Rather than have the result of an IDBRequest as a union over all possible
@@ -645,6 +660,16 @@ dart2js_annotations = {
 
     'MessageEvent.ports': "@Creates('=List')",
 
+    'MessageEvent.data':
+      "@_annotation_Creates_SerializedScriptValue "
+      "@_annotation_Returns_SerializedScriptValue",
+    'PopStateEvent.state':
+      "@_annotation_Creates_SerializedScriptValue "
+      "@_annotation_Returns_SerializedScriptValue",
+    'SerializedScriptValue':
+      "@_annotation_Creates_SerializedScriptValue "
+      "@_annotation_Returns_SerializedScriptValue",
+
     'SQLResultSetRowList.item': "@Creates('=Object')",
 
     'XMLHttpRequest.response':