Return the right top position for text selections when there are no previous root inline boxes.

LayoutTests/TestExpectations

 
 # This test can't just be rebaselined because it has absolute file paths in the output.
 crbug.com/257132 http/tests/inspector/network/network-xhr-replay.html [ Failure ]
 
 crbug.com/258949 fast/filesystem/workers/file-writer-truncate-extend.html [ Failure Pass ]
 
 crbug.com/307782 [ Win ] http/tests/cache/stopped-revalidation.html [ Pass Timeout ]
 crbug.com/316146 [ XP ] http/tests/cache/cached-main-resource.html [ Pass Timeout ]
 
 # Transient - XHR mixed content type revert will be restored.
@@ skipping 196 matching lines @@
 crbug.com/321607 [ Win Debug ] fast/forms/submit-to-blank-multiple-times.html [ Failure Pass ]
 
 # ThemePainter-related diffs, could rebaseline them or implement the clipping/transform code.
 crbug.com/229207 [ Win ] fast/transforms/transformed-focused-text-input.html [ ImageOnlyFailure ]
 crbug.com/229207 [ Win ] fast/forms/datalist/input-appearance-range-with-transform.html [ ImageOnlyFailure ]
 crbug.com/229207 [ Win ] fast/forms/range/input-appearance-range.html [ ImageOnlyFailure ]
 
 # Can't distinguish between hot and hover on scrollbar thumbs.
 crbug.com/229207 [ Win ] ietestcenter/css3/bordersbackgrounds/background-attachment-local-scrolling.htm [ ImageOnlyFailure ]
 
+# Test selection rectangle and cursor is now properly rendered (not too small, not too high)
+crbug.com/313593 editing/deleting/delete-after-span-ws-001.html [ NeedsRebaseline ]
+crbug.com/313593 editing/deleting/delete-after-span-ws-002.html [ NeedsRebaseline ]
+crbug.com/313593 editing/deleting/delete-after-span-ws-003.html [ NeedsRebaseline ]
+crbug.com/313593 editing/inserting/before-after-input-element.html [ NeedsRebaseline ]
+crbug.com/313593 editing/pasteboard/4944770-2.html [ NeedsRebaseline ]
+crbug.com/313593 editing/selection/caret-rtl-2-left.html [ NeedsRebaseline ]
+crbug.com/313593 editing/selection/caret-rtl-2.html [ NeedsRebaseline ]
+crbug.com/313593 editing/selection/caret-rtl-right.html [ NeedsRebaseline ]
+crbug.com/313593 editing/selection/caret-rtl.html [ NeedsRebaseline ]
+crbug.com/313593 editing/selection/contains-boundaries.html [ NeedsRebaseline ]
+crbug.com/313593 editing/selection/drag-select-1.html [ NeedsRebaseline ]
+crbug.com/313593 editing/selection/extend-selection-bidi.html [ NeedsRebaseline ]
+crbug.com/313593 editing/selection/inline-closest-leaf-child.html [ NeedsRebaseline ]
+crbug.com/313593 editing/selection/move-left-right.html [ NeedsRebaseline ]
+crbug.com/313593 editing/selection/select-across-readonly-input-2.html [ NeedsRebaseline ]
+crbug.com/313593 editing/selection/select-across-readonly-input-3.html [ NeedsRebaseline ]
+crbug.com/313593 editing/selection/select-all-001.html [ NeedsRebaseline ]
+crbug.com/313593 editing/selection/select-all-002.html [ NeedsRebaseline ]
+crbug.com/313593 editing/selection/select-all-003.html [ NeedsRebaseline ]
+crbug.com/313593 editing/selection/select-all-004.html [ NeedsRebaseline ]
+crbug.com/313593 editing/selection/select-box.html [ NeedsRebaseline ]
+crbug.com/313593 editing/selection/selection-button-text.html [ NeedsRebaseline ]
+crbug.com/313593 editing/selection/unrendered-001.html [ NeedsRebaseline ]
+crbug.com/313593 editing/selection/unrendered-002.html [ NeedsRebaseline ]
+crbug.com/313593 editing/selection/unrendered-003.html [ NeedsRebaseline ]
+crbug.com/313593 editing/selection/unrendered-004.html [ NeedsRebaseline ]
+crbug.com/313593 editing/selection/unrendered-005.html [ NeedsRebaseline ]
+crbug.com/313593 editing/selection/vertical-rl-ltr-extend-line-backward-br.html [ NeedsRebaseline ]
+crbug.com/313593 editing/selection/vertical-rl-ltr-extend-line-backward-p.html [ NeedsRebaseline ]
+crbug.com/313593 editing/selection/vertical-rl-ltr-extend-line-backward-wrap.html [ NeedsRebaseline ]
+crbug.com/313593 editing/selection/vertical-rl-ltr-extend-line-forward-br.html [ NeedsRebaseline ]
+crbug.com/313593 editing/selection/vertical-rl-ltr-extend-line-forward-p.html [ NeedsRebaseline ]
+crbug.com/313593 editing/selection/vertical-rl-ltr-extend-line-forward-wrap.html [ NeedsRebaseline ]
+crbug.com/313593 editing/selection/vertical-rl-rtl-extend-line-backward-br.html [ NeedsRebaseline ]
+crbug.com/313593 editing/selection/vertical-rl-rtl-extend-line-backward-p.html [ NeedsRebaseline ]
+crbug.com/313593 editing/selection/vertical-rl-rtl-extend-line-forward-br.html [ NeedsRebaseline ]
+crbug.com/313593 editing/selection/vertical-rl-rtl-extend-line-forward-p.html [ NeedsRebaseline ]
+crbug.com/313593 fast/events/updateLayoutForHitTest.html [ NeedsRebaseline ]
+crbug.com/313593 fast/lists/drag-into-marker.html [ NeedsRebaseline ]
+crbug.com/313593 fast/repaint/japanese-rl-selection-clear.html [ NeedsRebaseline ]
+crbug.com/313593 fast/repaint/japanese-rl-selection-repaint.html [ NeedsRebaseline ]
+crbug.com/313593 fast/repaint/repaint-across-writing-mode-boundary.html [ NeedsRebaseline ]
+crbug.com/313593 fast/repaint/selection-clear.html [ NeedsRebaseline ]
+crbug.com/313593 fast/repaint/transform-replaced-shadows.html [ NeedsRebaseline ]
+crbug.com/313593 fast/text/international/mixed-directionality-selection.html [ NeedsRebaseline ]
+crbug.com/313593 fast/text/international/rtl-caret.html [ NeedsRebaseline ]
+crbug.com/313593 fast/text/selection-rect-line-height-too-big.html [ NeedsRebaseline ]
+crbug.com/313593 fast/text/selection-rect-line-height-too-small.html [ NeedsRebaseline ]
+crbug.com/313593 fast/transforms/transformed-caret.html [ NeedsRebaseline ]
+crbug.com/313593 fast/writing-mode/japanese-rl-selection.html [ NeedsRebaseline ]
+crbug.com/313593 fast/writing-mode/vertical-rl-replaced-selection.html [ NeedsRebaseline ]
+crbug.com/313593 [ Win ] svg/text/foreignObject-text-clipping-bug.xml [ NeedsRebaseline ]
+
 # Untriaged pixel diffs, unclear if aura-related?
 crbug.com/229207 [ Win ] virtual/deferred/fast/images/2-dht.html [ ImageOnlyFailure ]
 crbug.com/229207 [ Win ] virtual/gpu/compositedscrolling/overflow/theme-affects-visual-overflow.html [ ImageOnlyFailure ]
 crbug.com/229207 [ Win ] virtual/softwarecompositing/overflow/theme-affects-visual-overflow.html [ ImageOnlyFailure ]
 # Linux Aura doesn't support NPAPI plugins (yet?)
 crbug.com/318978 [ Linux ] compositing/plugins/invalidate_rect.html [ Skip ]
 crbug.com/318978 [ Linux ] fast/dom/Window/Plug-ins.html [ Skip ]
 crbug.com/318978 [ Linux ] fast/frames/sandboxed-iframe-about-blank.html [ Skip ]
 crbug.com/318978 [ Linux ] fast/frames/sandboxed-iframe-navigation-allowed.html [ Skip ]
 crbug.com/318978 [ Linux ] fast/frames/sandboxed-iframe-plugins.html [ Skip ]
@@ skipping 1027 matching lines @@
 crbug.com/339373 http/tests/websocket/workers/no-onmessage-in-sync-op.html [ Skip ]
 crbug.com/339373 http/tests/websocket/workers/no-subprotocol.html [ Skip ]
 crbug.com/339373 http/tests/websocket/workers/send-arraybuffer.html [ Skip ]
 crbug.com/339373 http/tests/websocket/workers/send-arraybufferview.html [ Skip ]
 crbug.com/339373 http/tests/websocket/workers/send-blob.html [ Skip ]
 crbug.com/339373 http/tests/websocket/workers/worker-simple.html [ Skip ]
 crbug.com/339373 http/tests/websocket/zero-length-text.html [ Skip ]
 crbug.com/327581 http/tests/inspector/websocket/websocket-handshake.html [ Skip ]
 
 crbug.com/339778 [ Debug ] fast/dom/timer-throttling-hidden-page.html [ Failure Pass ]