Expand overloaded methods and optional parameters in the html library.

tools/dom/dom.json

Index: tools/dom/dom.json
diff --git a/tools/dom/dom.json b/tools/dom/dom.json
index 224f22ed9c34a199a2398bc782e71820dd91f662..97189a0cc1066fc2c200ab2fdbc357cf55f12fce 100644
--- a/tools/dom/dom.json
+++ b/tools/dom/dom.json
@@ -114,6 +114,7 @@
       "createAnalyser": {},
       "createBiquadFilter": {},
       "createBuffer": {},
+      "createBufferFromBuffer": {},
       "createBufferSource": {},
       "createChannelMerger": {},
       "createChannelSplitter": {},
@@ -855,6 +856,7 @@
       "createImageDataFromImageData": {},
       "createLinearGradient": {},
       "createPattern": {},
+      "createPatternFromImage": {},
       "createRadialGradient": {},
       "currentPath": {
         "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/the-canvas-element.html#path-objects",
@@ -1749,6 +1751,7 @@
     "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/dnd.html#the-datatransferitemlist-interface",
     "members": {
       "add": {},
+      "addFile": {},
       "clear": {},
       "item": {},
       "length": {}
@@ -5196,6 +5199,8 @@
       "onversionchange": {},
       "removeEventListener": {},
       "transaction": {},
+      "transactionList": {},
+      "transactionStringList": {},
       "version": {}
     },
     "support_level": "stable"
@@ -6807,7 +6812,10 @@
       "readyState": {},
       "reliable": {},
       "removeEventListener": {},
-      "send": {}
+      "send": {},
+      "sendBlob": {},
+      "sendByteBuffer": {},
+      "sendTypedData": {}
     },
     "support_level": "experimental"
   },
@@ -10878,6 +10886,8 @@
     "comment": "http://www.w3.org/TR/FileAPI/#URL-object",
     "members": {
       "createObjectURL": {},
+      "createObjectUrlFromBlob": {},
+      "createObjectUrlFromStream": {},
       "revokeObjectURL": {}
     },
     "support_level": "stable"
@@ -11394,7 +11404,10 @@
       "blendFunc": {},
       "blendFuncSeparate": {},
       "bufferData": {},
+      "bufferEmptyData": {},
       "bufferSubData": {},
+      "bufferSubTypedData": {},
+      "bufferTypedData": {},
       "checkFramebufferStatus": {},
       "clear": {},
       "clearColor": {},
@@ -11489,9 +11502,17 @@
       "stencilOp": {},
       "stencilOpSeparate": {},
       "texImage2D": {},
+      "texImage2DCanvas": {},
+      "texImage2DData": {},
+      "texImage2DImage": {},
+      "texImage2DVideo": {},
       "texParameterf": {},
       "texParameteri": {},
       "texSubImage2D": {},
+      "texSubImage2DCanvas": {},
+      "texSubImage2DData": {},
+      "texSubImage2DImage": {},
+      "texSubImage2DVideo": {},
       "uniform1f": {},
       "uniform1fv": {},
       "uniform1i": {},