Supports "class string" based on @@toStringTag.

third_party/WebKit/LayoutTests/imported/web-platform-tests/dom/interfaces-expected.txt

Index: third_party/WebKit/LayoutTests/imported/web-platform-tests/dom/interfaces-expected.txt
diff --git a/third_party/WebKit/LayoutTests/imported/web-platform-tests/dom/interfaces-expected.txt b/third_party/WebKit/LayoutTests/imported/web-platform-tests/dom/interfaces-expected.txt
index eff0a561495f79086d54ed70c969d85ffc945f2a..32503a7ea21e650d4778c811fbf8c511e52f2782 100644
--- a/third_party/WebKit/LayoutTests/imported/web-platform-tests/dom/interfaces-expected.txt
+++ b/third_party/WebKit/LayoutTests/imported/web-platform-tests/dom/interfaces-expected.txt
@@ -3,7 +3,7 @@ This is a testharness.js-based test.
 PASS Event interface: existence and properties of interface object 
 PASS Event interface object length 
 PASS Event interface object name 
-FAIL Event interface: existence and properties of interface prototype object assert_equals: class string of Event.prototype expected "[object EventPrototype]" but got "[object Object]"
+FAIL Event interface: existence and properties of interface prototype object assert_equals: class string of Event.prototype expected "[object EventPrototype]" but got "[object Event]"
 PASS Event interface: existence and properties of interface prototype object's "constructor" property 
 PASS Event interface: attribute type 
 PASS Event interface: attribute target 
@@ -68,7 +68,7 @@ FAIL Event interface: calling initEvent(DOMString,boolean,boolean) on new Event(
 PASS CustomEvent interface: existence and properties of interface object 
 FAIL CustomEvent interface object length assert_equals: wrong value for CustomEvent.length expected 1 but got 0
 PASS CustomEvent interface object name 
-FAIL CustomEvent interface: existence and properties of interface prototype object assert_equals: class string of CustomEvent.prototype expected "[object CustomEventPrototype]" but got "[object Object]"
+FAIL CustomEvent interface: existence and properties of interface prototype object assert_equals: class string of CustomEvent.prototype expected "[object CustomEventPrototype]" but got "[object CustomEvent]"
 PASS CustomEvent interface: existence and properties of interface prototype object's "constructor" property 
 PASS CustomEvent interface: attribute detail 
 PASS CustomEvent interface: operation initCustomEvent(DOMString,boolean,boolean,any) 
@@ -98,7 +98,7 @@ FAIL Event interface: calling initEvent(DOMString,boolean,boolean) on new Custom
 PASS EventTarget interface: existence and properties of interface object 
 PASS EventTarget interface object length 
 PASS EventTarget interface object name 
-FAIL EventTarget interface: existence and properties of interface prototype object assert_equals: class string of EventTarget.prototype expected "[object EventTargetPrototype]" but got "[object Object]"
+FAIL EventTarget interface: existence and properties of interface prototype object assert_equals: class string of EventTarget.prototype expected "[object EventTargetPrototype]" but got "[object EventTarget]"
 PASS EventTarget interface: existence and properties of interface prototype object's "constructor" property 
 PASS EventTarget interface: operation addEventListener(DOMString,EventListener,boolean) 
 PASS EventTarget interface: operation removeEventListener(DOMString,EventListener,boolean) 
@@ -110,7 +110,7 @@ PASS EventListener interface: operation handleEvent(Event)
 PASS NodeList interface: existence and properties of interface object 
 PASS NodeList interface object length 
 PASS NodeList interface object name 
-FAIL NodeList interface: existence and properties of interface prototype object assert_equals: class string of NodeList.prototype expected "[object NodeListPrototype]" but got "[object Object]"
+FAIL NodeList interface: existence and properties of interface prototype object assert_equals: class string of NodeList.prototype expected "[object NodeListPrototype]" but got "[object NodeList]"
 PASS NodeList interface: existence and properties of interface prototype object's "constructor" property 
 PASS NodeList interface: operation item(unsigned long) 
 PASS NodeList interface: attribute length 
@@ -122,7 +122,7 @@ PASS NodeList interface: document.querySelectorAll("script") must inherit proper
 PASS HTMLCollection interface: existence and properties of interface object 
 PASS HTMLCollection interface object length 
 PASS HTMLCollection interface object name 
-FAIL HTMLCollection interface: existence and properties of interface prototype object assert_equals: class string of HTMLCollection.prototype expected "[object HTMLCollectionPrototype]" but got "[object Object]"
+FAIL HTMLCollection interface: existence and properties of interface prototype object assert_equals: class string of HTMLCollection.prototype expected "[object HTMLCollectionPrototype]" but got "[object HTMLCollection]"
 PASS HTMLCollection interface: existence and properties of interface prototype object's "constructor" property 
 PASS HTMLCollection interface: attribute length 
 PASS HTMLCollection interface: operation item(unsigned long) 
@@ -137,7 +137,7 @@ PASS HTMLCollection interface: calling namedItem(DOMString) on document.body.chi
 PASS MutationObserver interface: existence and properties of interface object 
 PASS MutationObserver interface object length 
 PASS MutationObserver interface object name 
-FAIL MutationObserver interface: existence and properties of interface prototype object assert_equals: class string of MutationObserver.prototype expected "[object MutationObserverPrototype]" but got "[object Object]"
+FAIL MutationObserver interface: existence and properties of interface prototype object assert_equals: class string of MutationObserver.prototype expected "[object MutationObserverPrototype]" but got "[object MutationObserver]"
 PASS MutationObserver interface: existence and properties of interface prototype object's "constructor" property 
 PASS MutationObserver interface: operation observe(Node,MutationObserverInit) 
 PASS MutationObserver interface: operation disconnect() 
@@ -145,7 +145,7 @@ PASS MutationObserver interface: operation takeRecords()
 PASS MutationRecord interface: existence and properties of interface object 
 PASS MutationRecord interface object length 
 PASS MutationRecord interface object name 
-FAIL MutationRecord interface: existence and properties of interface prototype object assert_equals: class string of MutationRecord.prototype expected "[object MutationRecordPrototype]" but got "[object Object]"
+FAIL MutationRecord interface: existence and properties of interface prototype object assert_equals: class string of MutationRecord.prototype expected "[object MutationRecordPrototype]" but got "[object MutationRecord]"
 PASS MutationRecord interface: existence and properties of interface prototype object's "constructor" property 
 PASS MutationRecord interface: attribute type 
 PASS MutationRecord interface: attribute target 
@@ -159,7 +159,7 @@ PASS MutationRecord interface: attribute oldValue
 PASS Node interface: existence and properties of interface object 
 PASS Node interface object length 
 PASS Node interface object name 
-FAIL Node interface: existence and properties of interface prototype object assert_equals: class string of Node.prototype expected "[object NodePrototype]" but got "[object Object]"
+FAIL Node interface: existence and properties of interface prototype object assert_equals: class string of Node.prototype expected "[object NodePrototype]" but got "[object Node]"
 PASS Node interface: existence and properties of interface prototype object's "constructor" property 
 PASS Node interface: constant ELEMENT_NODE on interface object 
 PASS Node interface: constant ELEMENT_NODE on interface prototype object 
@@ -226,7 +226,7 @@ PASS Node interface: operation removeChild(Node)
 PASS Document interface: existence and properties of interface object 
 PASS Document interface object length 
 PASS Document interface object name 
-FAIL Document interface: existence and properties of interface prototype object assert_equals: class string of Document.prototype expected "[object DocumentPrototype]" but got "[object Object]"
+FAIL Document interface: existence and properties of interface prototype object assert_equals: class string of Document.prototype expected "[object DocumentPrototype]" but got "[object Document]"
 PASS Document interface: existence and properties of interface prototype object's "constructor" property 
 PASS Document interface: attribute implementation 
 PASS Document interface: attribute URL 
@@ -270,7 +270,7 @@ PASS Document interface: operation querySelectorAll(DOMString)
 PASS XMLDocument interface: existence and properties of interface object 
 PASS XMLDocument interface object length 
 PASS XMLDocument interface object name 
-FAIL XMLDocument interface: existence and properties of interface prototype object assert_equals: class string of XMLDocument.prototype expected "[object XMLDocumentPrototype]" but got "[object Object]"
+FAIL XMLDocument interface: existence and properties of interface prototype object assert_equals: class string of XMLDocument.prototype expected "[object XMLDocumentPrototype]" but got "[object XMLDocument]"
 PASS XMLDocument interface: existence and properties of interface prototype object's "constructor" property 
 PASS XMLDocument must be primary interface of xmlDoc 
 PASS Stringification of xmlDoc 
@@ -399,7 +399,7 @@ PASS EventTarget interface: calling dispatchEvent(Event) on xmlDoc with too few
 PASS DOMImplementation interface: existence and properties of interface object 
 PASS DOMImplementation interface object length 
 PASS DOMImplementation interface object name 
-FAIL DOMImplementation interface: existence and properties of interface prototype object assert_equals: class string of DOMImplementation.prototype expected "[object DOMImplementationPrototype]" but got "[object Object]"
+FAIL DOMImplementation interface: existence and properties of interface prototype object assert_equals: class string of DOMImplementation.prototype expected "[object DOMImplementationPrototype]" but got "[object DOMImplementation]"
 PASS DOMImplementation interface: existence and properties of interface prototype object's "constructor" property 
 PASS DOMImplementation interface: operation createDocumentType(DOMString,DOMString,DOMString) 
 PASS DOMImplementation interface: operation createDocument(DOMString,DOMString,DocumentType) 
@@ -417,7 +417,7 @@ PASS DOMImplementation interface: document.implementation must inherit property
 PASS DocumentFragment interface: existence and properties of interface object 
 PASS DocumentFragment interface object length 
 PASS DocumentFragment interface object name 
-FAIL DocumentFragment interface: existence and properties of interface prototype object assert_equals: class string of DocumentFragment.prototype expected "[object DocumentFragmentPrototype]" but got "[object Object]"
+FAIL DocumentFragment interface: existence and properties of interface prototype object assert_equals: class string of DocumentFragment.prototype expected "[object DocumentFragmentPrototype]" but got "[object DocumentFragment]"
 PASS DocumentFragment interface: existence and properties of interface prototype object's "constructor" property 
 PASS DocumentFragment interface: operation getElementById(DOMString) 
 PASS DocumentFragment interface: attribute children 
@@ -514,7 +514,7 @@ PASS EventTarget interface: calling dispatchEvent(Event) on document.createDocum
 PASS DocumentType interface: existence and properties of interface object 
 PASS DocumentType interface object length 
 PASS DocumentType interface object name 
-FAIL DocumentType interface: existence and properties of interface prototype object assert_equals: class string of DocumentType.prototype expected "[object DocumentTypePrototype]" but got "[object Object]"
+FAIL DocumentType interface: existence and properties of interface prototype object assert_equals: class string of DocumentType.prototype expected "[object DocumentTypePrototype]" but got "[object DocumentType]"
 PASS DocumentType interface: existence and properties of interface prototype object's "constructor" property 
 PASS DocumentType interface: attribute name 
 PASS DocumentType interface: attribute publicId 
@@ -599,7 +599,7 @@ PASS EventTarget interface: calling dispatchEvent(Event) on document.doctype wit
 PASS Element interface: existence and properties of interface object 
 PASS Element interface object length 
 PASS Element interface object name 
-FAIL Element interface: existence and properties of interface prototype object assert_equals: class string of Element.prototype expected "[object ElementPrototype]" but got "[object Object]"
+FAIL Element interface: existence and properties of interface prototype object assert_equals: class string of Element.prototype expected "[object ElementPrototype]" but got "[object Element]"
 PASS Element interface: existence and properties of interface prototype object's "constructor" property 
 PASS Element interface: attribute namespaceURI 
 PASS Element interface: attribute prefix 
@@ -780,7 +780,7 @@ PASS EventTarget interface: calling dispatchEvent(Event) on element with too few
 PASS NamedNodeMap interface: existence and properties of interface object 
 PASS NamedNodeMap interface object length 
 PASS NamedNodeMap interface object name 
-FAIL NamedNodeMap interface: existence and properties of interface prototype object assert_equals: class string of NamedNodeMap.prototype expected "[object NamedNodeMapPrototype]" but got "[object Object]"
+FAIL NamedNodeMap interface: existence and properties of interface prototype object assert_equals: class string of NamedNodeMap.prototype expected "[object NamedNodeMapPrototype]" but got "[object NamedNodeMap]"
 PASS NamedNodeMap interface: existence and properties of interface prototype object's "constructor" property 
 PASS NamedNodeMap interface: attribute length 
 PASS NamedNodeMap interface: operation item(unsigned long) 
@@ -793,7 +793,7 @@ PASS NamedNodeMap interface: operation removeNamedItemNS(DOMString,DOMString)
 FAIL Attr interface: existence and properties of interface object assert_equals: prototype of self's property "Attr" is not Function.prototype expected function "function () {}" but got function "function Node() { [native code] }"
 PASS Attr interface object length 
 PASS Attr interface object name 
-FAIL Attr interface: existence and properties of interface prototype object assert_equals: prototype of Attr.prototype is not Object.prototype expected object "[object Object]" but got object "[object Object]"
+FAIL Attr interface: existence and properties of interface prototype object assert_equals: prototype of Attr.prototype is not Object.prototype expected object "[object Object]" but got object "[object Node]"
 PASS Attr interface: existence and properties of interface prototype object's "constructor" property 
 PASS Attr interface: attribute namespaceURI 
 PASS Attr interface: attribute prefix 
@@ -818,7 +818,7 @@ PASS Attr interface: document.querySelector("[id]").attributes[0] must inherit p
 PASS CharacterData interface: existence and properties of interface object 
 PASS CharacterData interface object length 
 PASS CharacterData interface object name 
-FAIL CharacterData interface: existence and properties of interface prototype object assert_equals: class string of CharacterData.prototype expected "[object CharacterDataPrototype]" but got "[object Object]"
+FAIL CharacterData interface: existence and properties of interface prototype object assert_equals: class string of CharacterData.prototype expected "[object CharacterDataPrototype]" but got "[object CharacterData]"
 PASS CharacterData interface: existence and properties of interface prototype object's "constructor" property 
 PASS CharacterData interface: attribute data 
 PASS CharacterData interface: attribute length 
@@ -836,7 +836,7 @@ PASS CharacterData interface: operation remove()
 PASS Text interface: existence and properties of interface object 
 PASS Text interface object length 
 PASS Text interface object name 
-FAIL Text interface: existence and properties of interface prototype object assert_equals: class string of Text.prototype expected "[object TextPrototype]" but got "[object Object]"
+FAIL Text interface: existence and properties of interface prototype object assert_equals: class string of Text.prototype expected "[object TextPrototype]" but got "[object Text]"
 PASS Text interface: existence and properties of interface prototype object's "constructor" property 
 PASS Text interface: operation splitText(unsigned long) 
 PASS Text interface: attribute wholeText 
@@ -930,7 +930,7 @@ PASS EventTarget interface: calling dispatchEvent(Event) on document.createTextN
 PASS ProcessingInstruction interface: existence and properties of interface object 
 PASS ProcessingInstruction interface object length 
 PASS ProcessingInstruction interface object name 
-FAIL ProcessingInstruction interface: existence and properties of interface prototype object assert_equals: class string of ProcessingInstruction.prototype expected "[object ProcessingInstructionPrototype]" but got "[object Object]"
+FAIL ProcessingInstruction interface: existence and properties of interface prototype object assert_equals: class string of ProcessingInstruction.prototype expected "[object ProcessingInstructionPrototype]" but got "[object ProcessingInstruction]"
 PASS ProcessingInstruction interface: existence and properties of interface prototype object's "constructor" property 
 PASS ProcessingInstruction interface: attribute target 
 PASS ProcessingInstruction must be primary interface of xmlDoc.createProcessingInstruction("abc", "def") 
@@ -1021,7 +1021,7 @@ PASS EventTarget interface: calling dispatchEvent(Event) on xmlDoc.createProcess
 PASS Comment interface: existence and properties of interface object 
 PASS Comment interface object length 
 PASS Comment interface object name 
-FAIL Comment interface: existence and properties of interface prototype object assert_equals: class string of Comment.prototype expected "[object CommentPrototype]" but got "[object Object]"
+FAIL Comment interface: existence and properties of interface prototype object assert_equals: class string of Comment.prototype expected "[object CommentPrototype]" but got "[object Comment]"
 PASS Comment interface: existence and properties of interface prototype object's "constructor" property 
 PASS Comment must be primary interface of document.createComment("abc") 
 PASS Stringification of document.createComment("abc") 
@@ -1110,7 +1110,7 @@ PASS EventTarget interface: calling dispatchEvent(Event) on document.createComme
 PASS Range interface: existence and properties of interface object 
 PASS Range interface object length 
 PASS Range interface object name 
-FAIL Range interface: existence and properties of interface prototype object assert_equals: class string of Range.prototype expected "[object RangePrototype]" but got "[object Object]"
+FAIL Range interface: existence and properties of interface prototype object assert_equals: class string of Range.prototype expected "[object RangePrototype]" but got "[object Range]"
 PASS Range interface: existence and properties of interface prototype object's "constructor" property 
 PASS Range interface: attribute startContainer 
 PASS Range interface: attribute startOffset 
@@ -1244,7 +1244,7 @@ PASS Range interface: calling intersectsNode(Node) on detachedRange with too few
 PASS NodeIterator interface: existence and properties of interface object 
 PASS NodeIterator interface object length 
 PASS NodeIterator interface object name 
-FAIL NodeIterator interface: existence and properties of interface prototype object assert_equals: class string of NodeIterator.prototype expected "[object NodeIteratorPrototype]" but got "[object Object]"
+FAIL NodeIterator interface: existence and properties of interface prototype object assert_equals: class string of NodeIterator.prototype expected "[object NodeIteratorPrototype]" but got "[object NodeIterator]"
 PASS NodeIterator interface: existence and properties of interface prototype object's "constructor" property 
 PASS NodeIterator interface: attribute root 
 PASS NodeIterator interface: attribute referenceNode 
@@ -1267,7 +1267,7 @@ PASS NodeIterator interface: document.createNodeIterator(document.body, NodeFilt
 PASS TreeWalker interface: existence and properties of interface object 
 PASS TreeWalker interface object length 
 PASS TreeWalker interface object name 
-FAIL TreeWalker interface: existence and properties of interface prototype object assert_equals: class string of TreeWalker.prototype expected "[object TreeWalkerPrototype]" but got "[object Object]"
+FAIL TreeWalker interface: existence and properties of interface prototype object assert_equals: class string of TreeWalker.prototype expected "[object TreeWalkerPrototype]" but got "[object TreeWalker]"
 PASS TreeWalker interface: existence and properties of interface prototype object's "constructor" property 
 PASS TreeWalker interface: attribute root 
 PASS TreeWalker interface: attribute whatToShow 
@@ -1333,7 +1333,7 @@ FAIL NodeFilter interface: operation acceptNode(Node) assert_false: NodeFilter s
 PASS DOMTokenList interface: existence and properties of interface object 
 PASS DOMTokenList interface object length 
 PASS DOMTokenList interface object name 
-FAIL DOMTokenList interface: existence and properties of interface prototype object assert_equals: class string of DOMTokenList.prototype expected "[object DOMTokenListPrototype]" but got "[object Object]"
+FAIL DOMTokenList interface: existence and properties of interface prototype object assert_equals: class string of DOMTokenList.prototype expected "[object DOMTokenListPrototype]" but got "[object DOMTokenList]"
 PASS DOMTokenList interface: existence and properties of interface prototype object's "constructor" property 
 PASS DOMTokenList interface: attribute length 
 PASS DOMTokenList interface: operation item(unsigned long)