Allow non-primitive-value dictionaries to be passed to constructors for html

tools/dom/scripts/generator.py

Index: tools/dom/scripts/generator.py
diff --git a/tools/dom/scripts/generator.py b/tools/dom/scripts/generator.py
index 7ad4e5165a1b2dd33f48c7adc759fc4127f2f8f2..3d3f37c9a8e905f9e96d5a3db02168010583c84e 100644
--- a/tools/dom/scripts/generator.py
+++ b/tools/dom/scripts/generator.py
@@ -673,12 +673,6 @@ _all_but_ie9_annotations = [
   "@SupportedBrowser(SupportedBrowser.SAFARI)",
 ]
 
-_webkit_experimental_annotations = [
-  "@SupportedBrowser(SupportedBrowser.CHROME)",
-  "@SupportedBrowser(SupportedBrowser.SAFARI)",
-  "@Experimental",
-]
-
 _history_annotations = _all_but_ie9_annotations
 
 _no_ie_annotations = [
@@ -693,6 +687,11 @@ _performance_annotations = [
   "@SupportedBrowser(SupportedBrowser.IE)",
 ]
 
+_rtc_annotations = [ # Note: Firefox nightly builds also support this.
+  "@SupportedBrowser(SupportedBrowser.CHROME)",
+  "@Experimental",
+]
+
 _speech_recognition_annotations = [
   "@SupportedBrowser(SupportedBrowser.CHROME, '25')",
   "@Experimental",
@@ -712,6 +711,12 @@ _webgl_annotations = [
   "@Experimental",
 ]
 
+_webkit_experimental_annotations = [
+  "@SupportedBrowser(SupportedBrowser.CHROME)",
+  "@SupportedBrowser(SupportedBrowser.SAFARI)",
+  "@Experimental",
+]
+
 # Annotations to be placed on generated members.
 # The table is indexed as:
 #   INTERFACE:     annotations to be added to the interface declaration
@@ -784,6 +789,13 @@ dart_annotations = {
   ],
   'IDBFactory': _indexed_db_annotations,
   'IDBDatabase': _indexed_db_annotations,
+  'LocalMediaStream': _rtc_annotations,
+  'MediaStream': _rtc_annotations,
+  'MediaStreamEvents': _rtc_annotations,
+  'MediaStreamEvent': _rtc_annotations,
+  'MediaStreamTrack': _rtc_annotations,
+  'MediaStreamTrackEvent': _rtc_annotations,
+  'MediaStreamTrackEvents': _rtc_annotations,
   'MutationObserver': [
     "@SupportedBrowser(SupportedBrowser.CHROME)",
     "@SupportedBrowser(SupportedBrowser.FIREFOX)",
@@ -793,6 +805,9 @@ dart_annotations = {
   'NotificationCenter': _webkit_experimental_annotations,
   'Performance': _performance_annotations,
   'PopStateEvent': _history_annotations,
+  'RTCIceCandidate': _rtc_annotations,
+  'RTCPeerConnection': _rtc_annotations,
+  'RTCSessionDescription': _rtc_annotations,
   'ShadowRoot': [
     "@SupportedBrowser(SupportedBrowser.CHROME, '25')",
     "@Experimental",