Merge 124295 - Float imprecision causes incorrect wrapping in LineLayout with subpixel layout

LayoutTests/platform/mac-snowleopard/Skipped

 # <rdar://problem/7091352> Some plug-in tests show missing NPP_Destroy call
 plugins/netscape-destroy-plugin-script-objects.html
 plugins/open-and-close-window-with-plugin.html
 plugins/geturlnotify-during-document-teardown.html
 
 # These tests fail on the SnowLeopard bot from time to time (https://bugs.webkit.org/show_bug.cgi?id=32229)
 plugins/document-open.html
 plugins/mouse-events.html
 
 # These need a newer version of Safari.
@@ skipping 184 matching lines @@
 fast/hidpi
 
 # Fail until SUBPIXEL_LAYOUT is enabled
 # https://bugs.webkit.org/show_bug.cgi?id=85532
 fast/sub-pixel/client-rect-has-subpixel-precision.html
 fast/sub-pixel/client-width-height-snapping.html
 fast/sub-pixel/file-upload-control-at-fractional-offset.html
 fast/sub-pixel/float-containing-block-with-margin.html
 fast/sub-pixel/float-with-right-margin-zoom.html
 fast/sub-pixel/float-wrap-with-subpixel-top.html
+fast/sub-pixel/inline-block-should-not-wrap.html
 fast/sub-pixel/inline-block-with-margin.html
 fast/sub-pixel/inline-block-with-padding.html
 fast/sub-pixel/layout-boxes-with-zoom.html
 fast/sub-pixel/selection-gaps-at-fractional-offsets.html
 fast/sub-pixel/size-of-box-with-zoom.html
 fast/sub-pixel/table-rows-no-gaps.html
 
 # Frame::findString does nothing on pages that prevent selection
 # https://bugs.webkit.org/show_bug.cgi?id=40361
 editing/text-iterator/findString-selection-disabled.html
 
 # Dictated text input is not supported on this platform
 platform/mac/editing/input/edit-dictated-text-with-alternative.html
 platform/mac/editing/input/insert-dictated-text.html