Merge pull request #1848 from fgnass/master

add picture element and related attributes

src/browser/ReactDOM.js

@@ -143,6 +143,7 @@ var ReactDOM = mapObject({
   output: false,
   p: false,
   param: true,
+  picture: false,
   pre: false,
   progress: false,
   q: false,

src/browser/ui/dom/HTMLDOMPropertyConfig.js

@@ -110,6 +110,7 @@ var HTMLDOMPropertyConfig = {
     loop: MUST_USE_PROPERTY | HAS_BOOLEAN_VALUE,
     max: null,
     maxLength: MUST_USE_ATTRIBUTE,
+    media: MUST_USE_ATTRIBUTE,
     mediaGroup: null,
     method: null,
     min: null,
@@ -138,11 +139,12 @@ var HTMLDOMPropertyConfig = {
     selected: MUST_USE_PROPERTY | HAS_BOOLEAN_VALUE,
     shape: null,
     size: MUST_USE_ATTRIBUTE | HAS_POSITIVE_NUMERIC_VALUE,
+    sizes: MUST_USE_ATTRIBUTE,
     span: HAS_POSITIVE_NUMERIC_VALUE,
     spellCheck: null,
     src: null,
     srcDoc: MUST_USE_PROPERTY,
-    srcSet: null,
+    srcSet: MUST_USE_ATTRIBUTE,
     start: HAS_NUMERIC_VALUE,
     step: null,
     style: null,

vendor/fbtransform/transforms/xjs.js

@@ -108,6 +108,7 @@ var knownTags = {
   param: true,
   path: true,
   pattern: false,
+  picture: true,
   polygon: true,
   polyline: true,
   pre: true,