Merge 142793

Merge 142793
> Bidi-Isolated inlines can cause subsequent content to not be rendered
> https://bugs.webkit.org/show_bug.cgi?id=108137
> 
> Reviewed by Eric Seidel.
> 
> Source/WebCore:
> 
> First step in fixing how inline isolates behave with collapsed spaces.
> webkit.org/b/109624 tracks the overarching issue.
> 
> Test: fast/text/content-following-inline-isolate-with-collapsed-whitespace.html
> 
> * rendering/InlineIterator.h:
> (WebCore::IsolateTracker::addFakeRunIfNecessary): If we enter an isolate while
> ignoring spaces, ensure we leave it considering them again. This can result in
> including spaces that should be ignored following the isolate on the line, but
> failing to do so results in those contents not being rendered at all.
> 
> LayoutTests:
> 
> * fast/text/content-following-inline-isolate-with-collapsed-whitespace.html: Added.
> * fast/text/content-following-inline-isolate-with-collapsed-whitespace-expected.txt: Added.
> 

TBR=leviw@chromium.org
Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=143365

[leviw_travelin_and_unemployed, 2013-02-19 19:32:30]

Committed patchset #1 manually as r143365.