time element should use HTMLTimeElement interface

time element should use HTMLTimeElement interface
https://bugs.webkit.org/show_bug.cgi?id=148840
<rdar://problem/22586690>

Reviewed by Ryosuke Niwa.

LayoutTests/imported/w3c:

Rebaseline W3C HTML test now that more checks are passing.

* web-platform-tests/html/semantics/text-level-semantics/the-time-element/001-expected.txt:

Source/WebCore:

Time element should be an instance of HTMLTimeElement instead of generic
HTMLElement:
https://html.spec.whatwg.org/multipage/semantics.html#the-time-element

Firefox exposes HTMLTimeElement. This patch aligns our behavior with
the specification and Firefox.

No new tests, already covered by existing test.

* CMakeLists.txt:
* DerivedSources.cpp:
* DerivedSources.make:
* WebCore.vcxproj/WebCore.vcxproj:
* WebCore.vcxproj/WebCore.vcxproj.filters:
* WebCore.xcodeproj/project.pbxproj:
* html/HTMLElementsAllInOne.cpp:
* html/HTMLTagNames.in:
* html/HTMLTimeElement.cpp: Added.
(WebCore::HTMLTimeElement::create):
(WebCore::HTMLTimeElement::HTMLTimeElement):
* html/HTMLTimeElement.h: Added.
* html/HTMLTimeElement.idl: Added.

LayoutTests:

Rebaseline existing test now that HTMLTimeElement is exposed on the
global Window object.

* js/dom/global-constructors-attributes-expected.txt:
* platform/efl/js/dom/global-constructors-attributes-expected.txt:
* platform/gtk/js/dom/global-constructors-attributes-expected.txt:
* platform/mac-mavericks/js/dom/global-constructors-attributes-expected.txt:
* platform/mac-yosemite/js/dom/global-constructors-attributes-expected.txt:
* platform/mac/js/dom/global-constructors-attributes-expected.txt:
* platform/win/js/dom/global-constructors-attributes-expected.txt:

git-svn-id: https://svn.webkit.org/repository/webkit/trunk@190106 268f45cc-cd09-0410-ab3c-d52691b4dbfc