Avoid adding placeholder when deleting last text in root

LayoutTests/TestExpectations

 # See http://trac.webkit.org/wiki/TestExpectations for more information on this file.
 
 crbug.com/237000 [ Win Linux ] virtual/gpu/fast/canvas/getPutImageDataPairTest.html [ Slow ]
 crbug.com/24182 [ Debug ] css3/flexbox/multiline-justify-content.html [ Slow ]
 webkit.org/b/82097 [ Debug ] editing/selection/move-by-word-visually-crash-test-5.html [ Slow ]
 webkit.org/b/92287 fast/canvas/webgl/context-creation-and-destruction.html [ Pass Timeout Failure ]
 webkit.org/b/92287 virtual/gpu/fast/canvas/webgl/context-creation-and-destruction.html [ Pass Timeout Failure ]
 crbug.com/24182 [ Debug ] fast/css/large-list-of-rules-crash.html [ Slow ]
 crbug.com/24182 [ Debug ] fast/dom/shadow/tree-scope-crash.html [ Slow ]
 crbug.com/24182 [ Debug ] fast/dom/Window/window-postmessage-clone-really-deep-array.html [ Slow ]
@@ skipping 1549 matching lines @@
 crbug.com/227397 svg/W3C-SVG-1.1/types-basicDOM-01-b.svg [ Pass Failure ]
 crbug.com/227397 svg/W3C-SVG-1.1/text-align-04-b.svg [ Pass Failure ]
 crbug.com/227397 svg/text/text-align-04-b.svg [ Pass Failure ]
 
 crbug.com/234758 [ Debug ] inspector-protocol/nmi-webaudio-leak-test.html [ Timeout Crash Pass ]
 crbug.com/234758 [ Win Debug ] tables/mozilla/other/test3.html [ Pass Crash ]
 crbug.com/234758 inspector/debugger/script-formatter-breakpoints.html [ Timeout Pass Failure ]
 crbug.com/234758 [ Debug ] jquery/traversing.html [ Timeout Crash ]
 crbug.com/234758 inspector/profiler/canvas2d/canvas2d-gradient-capturing.html [ Pass Crash Timeout ]
 crbug.com/234758 [ Lion ] virtual/softwarecompositing/scrollbars/custom-composited-different-track-parts.html [ Pass ImageOnlyFailure ]
-crbug.com/234758 [ Debug ] fast/parser/nested-fragment-parser-crash.html [ Pass Timeout ]
 crbug.com/234758 [ Debug ] http/tests/workers/terminate-during-sync-operation.html [ Pass Timeout ]
 crbug.com/234758 [ Win7 ] fast/frames/seamless/seamless-nested-crash.html [ Pass Timeout Crash ]
 crbug.com/234758 [ Debug ] inspector/elements/edit-style-attribute.html [ Pass Timeout ]
 crbug.com/237812 [ Debug ] storage/indexeddb/dont-wedge.html [ Pass Crash ]
 crbug.com/234758 [ Mac Debug ] fast/workers/worker-document-leak.html [ Pass Timeout ]
 crbug.com/234758 webaudio/audiobuffersource-multi-channels.html [ Pass Crash ]
 crbug.com/234758 [ Debug ] virtual/gpu/fast/canvas/canvas-strokePath-gradient-shadow.html [ Pass Timeout ]
 
 # Needs baselines:
 Bug(thakis) fast/block/lineboxcontain/block-with-ideographs.xhtml [ Missing ]
@@ skipping 16 matching lines @@
 crbug.com/237250 [ SnowLeopard Debug ] media/video-set-rate-from-pause.html [ Pass Crash ]
 crbug.com/237250 [ Lion Debug ] media/video-zoom-controls.html [ Pass Crash ]
 crbug.com/237270 [ Win7 ] transforms/2d/transform-2d.html [ Pass Timeout ]
 crbug.com/237270 [ Win ] virtual/gpu/fast/canvas/canvas-composite-alpha.html [ Pass Timeout ]
 crbug.com/237270 [ Debug ] fast/dom/SelectorAPI/resig-SelectorsAPI-test.xhtml [ Pass Timeout ]
 # was: webkit.org/b/110873 - Flaky on most platforms
 crbug.com/237270 [ Debug ] fast/sub-pixel/transformed-iframe-copy-on-scroll.html [ ImageOnlyFailure Timeout ]
 crbug.com/237270 [ Win7 Debug ] inspector/profiler/heap-snapshot-comparison-show-all.html [ Crash Timeout ]
 crbug.com/237270 [ Win7 Debug ] inspector/profiler/heap-snapshot-summary-sorting-instances.html [ Crash Timeout ]
 
+# Need rebaselines after landing fix for crbug.com/222806
+crbug.com/222806 editing/deleting/delete-block-contents-001.html [ Failure Pass ImageOnlyFailure ]
+crbug.com/222806 editing/deleting/delete-block-contents-002.html [ Failure Pass ImageOnlyFailure ]
+crbug.com/222806 editing/deleting/delete-block-contents-003.html [ Failure Pass ImageOnlyFailure ]
+crbug.com/222806 editing/deleting/delete-image-004.html [ Failure Pass ImageOnlyFailure ]
+crbug.com/222806 editing/deleting/5272440.html [ Failure Pass ImageOnlyFailure ]
+crbug.com/222806 editing/inserting/insert-3775316-fix.html [ Failure Pass ImageOnlyFailure ]
+crbug.com/222806 editing/inserting/insert-after-delete-001.html [ Failure Pass ImageOnlyFailure ]
+crbug.com/222806 editing/pasteboard/4076267-3.html [ Failure Pass ImageOnlyFailure ]
+crbug.com/222806 fast/forms/input-placeholder-visibility-3.html [ Failure Pass ImageOnlyFailure ]
+crbug.com/222806 fast/forms/textarea-placeholder-visibility-1.html [ Failure Pass ImageOnlyFailure ]
+crbug.com/222806 editing/deleting/delete-all-text-in-text-field-assertion.html [ Failure Pass ImageOnlyFailure ]
+crbug.com/222806 editing/execCommand/create-list-with-hr.html [ Failure Pass ImageOnlyFailure ]
+crbug.com/222806 crbug.com/234758 fast/parser/nested-fragment-parser-crash.html [ Failure Pass ImageOnlyFailure Timeout ]
+crbug.com/222806 editing/deleting/delete-3775172-fix.html [ Failure Pass ImageOnlyFailure ]
+
 # Gets a "Maximum call stack size exceeded" exception in debug that doesn't happen in release.
 crbug.com/14885 [ Debug ] fast/js/JSON-stringify.html [ Failure ]
 
 # Caused by http://trac.webkit.org/changeset/56394.
 crbug.com/143475 [ Win ] http/tests/xmlhttprequest/xmlhttprequest-50ms-download-dispatch.html [ Failure Pass Timeout ]
 
 crbug.com/130259 [ Linux ] fast/forms/checkbox/checkbox-appearance-basic.html [ Pass ImageOnlyFailure ]
 crbug.com/130259 [ Linux ] fast/forms/datalist/input-appearance-range-with-datalist-zoomed.html [ Pass ImageOnlyFailure ]
 crbug.com/130259 [ Linux ] fast/forms/radio/radio-appearance-basic.html [ Pass ImageOnlyFailure ]
 crbug.com/130259 [ Linux ] fast/forms/range/range-appearance-basic.html [ Pass ImageOnlyFailure ]
@@ skipping 65 matching lines @@
 # An exception is being thrown, causing tests to generate PNG output when they should not.
 crbug.com/239470 [ Mac ] fast/canvas/webgl [ Pass Missing ]
 crbug.com/239470 [ Mac ] fast/dom [ Pass Missing ]
 crbug.com/240700 [ Mac ] fast/css/getComputedStyle/computed-style-select-overflow.html [ Pass Missing ]
 crbug.com/240700 [ Mac ] fast/css/getComputedStyle/getComputedStyle-outline-offset.html [ Pass Missing ]
 crbug.com/240700 [ Mac ] fast/css/getComputedStyle/getComputedStyle-padding-shorthand.html [ Pass Missing ]
 
 # Something else went wrong causing MISSING in many http/tests/ tests.
 crbug.com/240700 [ Win ] http/tests [ Pass Missing ]
 crbug.com/240700 [ Mac Linux ] http/tests/security/dataURL/xss-DENIED-to-data-url-in-foreign-domain-subframe-location-change.html [ Pass Missing ]