        Reviewed by Dave.
        Reviewed by Dave.

        - fixed <rdar://problem/3688971>: (on dual-800 tower, url field animation
        doesn't work half the time)

        * BrowserWindowController.m:
        (-[BrowserWindowController installRSSTransitionImageView]):
        Set the window's first responder to nil before hiding the webview if the
        focus had been in the webview. It's not clear why the behavior on one
        machine was different than others, but this fix is sensible and definitely
        fixes the problem on Jess's machine.


git-svn-id: bf5cd6ccde378db821296732a091cfbcf5285fbd@6816 bbb929c8-8fbe-4397-9dbb-9b2b20218538
kurli/blink-crosswalk,XiaosongWei/blink-crosswalk,kurli/blink-crosswalk,kurli/blink-crosswalk,jtg-gg/blink,Pluto-tv/blink-crosswalk,smishenk/blink-crosswalk,Bysmyyr/blink-crosswalk,hgl888/blink-crosswalk-efl,nwjs/blink,nwjs/blink,smishenk/blink-crosswalk,smishenk/blink-crosswalk,smishenk/blink-crosswalk,Pluto-tv/blink-crosswalk,Pluto-tv/blink-crosswalk,modulexcite/blink,jtg-gg/blink,Pluto-tv/blink-crosswalk,hgl888/blink-crosswalk-efl,PeterWangIntel/blink-crosswalk,kurli/blink-crosswalk,nwjs/blink,nwjs/blink,modulexcite/blink,jtg-gg/blink,crosswalk-project/blink-crosswalk-efl,modulexcite/blink,ondra-novak/blink,Pluto-tv/blink-crosswalk,XiaosongWei/blink-crosswalk,jtg-gg/blink,PeterWangIntel/blink-crosswalk,jtg-gg/blink,smishenk/blink-crosswalk,Pluto-tv/blink-crosswalk,ondra-novak/blink,Pluto-tv/blink-crosswalk,crosswalk-project/blink-crosswalk-efl,kurli/blink-crosswalk,modulexcite/blink,kurli/blink-crosswalk,PeterWangIntel/blink-crosswalk,jtg-gg/blink,hgl888/blink-crosswalk-efl,hgl888/blink-crosswalk-efl,nwjs/blink,XiaosongWei/blink-crosswalk,kurli/blink-crosswalk,Bysmyyr/blink-crosswalk,Pluto-tv/blink-crosswalk,ondra-novak/blink,Bysmyyr/blink-crosswalk,nwjs/blink,kurli/blink-crosswalk,hgl888/blink-crosswalk-efl,modulexcite/blink,XiaosongWei/blink-crosswalk,PeterWangIntel/blink-crosswalk,hgl888/blink-crosswalk-efl,modulexcite/blink,ondra-novak/blink,modulexcite/blink,PeterWangIntel/blink-crosswalk,nwjs/blink,ondra-novak/blink,Bysmyyr/blink-crosswalk,ondra-novak/blink,Bysmyyr/blink-crosswalk,Bysmyyr/blink-crosswalk,PeterWangIntel/blink-crosswalk,jtg-gg/blink,PeterWangIntel/blink-crosswalk,kurli/blink-crosswalk,Pluto-tv/blink-crosswalk,hgl888/blink-crosswalk-efl,XiaosongWei/blink-crosswalk,PeterWangIntel/blink-crosswalk,Bysmyyr/blink-crosswalk,XiaosongWei/blink-crosswalk,hgl888/blink-crosswalk-efl,smishenk/blink-crosswalk,hgl888/blink-crosswalk-efl,jtg-gg/blink,crosswalk-project/blink-crosswalk-efl,crosswalk-project/blink-crosswalk-efl,ondra-novak/blink,Bysmyyr/blink-crosswalk,crosswalk-project/blink-crosswalk-efl,PeterWangIntel/blink-crosswalk,smishenk/blink-crosswalk,crosswalk-project/blink-crosswalk-efl,ondra-novak/blink,XiaosongWei/blink-crosswalk,XiaosongWei/blink-crosswalk,nwjs/blink,Pluto-tv/blink-crosswalk,smishenk/blink-crosswalk,kurli/blink-crosswalk,nwjs/blink,modulexcite/blink,crosswalk-project/blink-crosswalk-efl,ondra-novak/blink,Bysmyyr/blink-crosswalk,crosswalk-project/blink-crosswalk-efl,hgl888/blink-crosswalk-efl,crosswalk-project/blink-crosswalk-efl,XiaosongWei/blink-crosswalk,jtg-gg/blink,XiaosongWei/blink-crosswalk,smishenk/blink-crosswalk,modulexcite/blink,Bysmyyr/blink-crosswalk,nwjs/blink,modulexcite/blink,jtg-gg/blink,smishenk/blink-crosswalk,PeterWangIntel/blink-crosswalk