Merge 135131 - input.value="" should clear date/time input elements with partial values

LayoutTests/platform/mac/TestExpectations

 # These are the layout test expectations for Apple's Mac port of WebKit.
 #
 # See http://trac.webkit.org/wiki/TestExpectations for more information on this file.
 
 # <rdar://problem/5647952> fast/events/mouseout-on-window.html needs mac DRT to issue mouse out events
 fast/events/mouseout-on-window.html
 
 # <rdar://problem/5643675> window.scrollTo scrolls a window with no scrollbars
 fast/events/attempt-scroll-with-no-scrollbars.html
 
@@ skipping 776 matching lines @@
 
 # https://bugs.webkit.org/show_bug.cgi?id=91505
 platform/mac/plugins/root-object-premature-delete-crash.html
 
 # This test depends on subpixel layout.
 # https://bugs.webkit.org/show_bug.cgi?id=92352
 css3/flexbox/flex-rounding.html
 
 # ENABLE(INPUT_MULTIPLE_FIELDS_UI) is disabled
 fast/forms/date-multiple-fields
+fast/forms/datetime-multiple-fields
+fast/forms/datetimelocal-multiple-fields
 fast/forms/month-multiple-fields
 fast/forms/time-multiple-fields
 fast/forms/week-multiple-fields
 
 # <rdar://problem/11224160> Focus not transferring properly in DumpRenderTree in Mountain Lion
 fast/events/show-modal-dialog-onblur-onfocus.html
 platform/mac/fast/forms/listbox-scrollbar-hit-test.html
 
 # <rdar://problem/11224894> Several Japanese vertical text tests failing on Mountain Lion
 fast/dynamic/text-combine.html
@@ skipping 536 matching lines @@
 webkit.org/b/84893 http/tests/w3c/webperf/submission/Intel/user-timing [ Skip ]
 
 # Expected to fail until WebGL extension implementation lands
 webkit.org/b/98257 fast/canvas/webgl/oes-element-index-uint.html [ Failure Pass ]
 
 # Resource Timing is not enable yet, skip it.
 webkit.org/b/61138 http/tests/w3c/webperf/submission/Intel/resource-timing [ Skip ]
 
 # TileCache tests that don't apply to WK1 (they are re-enabled via the WK2 TestExpectations file)
 platform/mac/tiled-drawing/ [ Skip ]