ui/compositor: GN Build fix.
ui/compositor: GN Build fix.

This should fix the following error:
../../ui/compositor/compositor.cc:89: error: undefined reference to
'ui::LayerAnimatorCollection::LayerAnimatorCollection(ui::LayerAnimatorCollectionDelegate*)'

http://build.chromium.org/p/tryserver.chromium/builders/linux_chromium_gn_rel/builds/22568/steps/compile%20%282%29/logs/stdio

This was found while doing:
https://codereview.chromium.org/361373002/

BUG=None
TEST=None
TBR=piman@chromium.org,brettw@chromium.org

Review URL: https://codereview.chromium.org/368263002

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@281289 0039d316-1c4b-4281-b951-d872f2087c98

fujunwei/chromium-crosswalk,mohamed--abdel-maksoud/chromium.src,ondra-novak/chromium.src,dednal/chromium.src,Fireblend/chromium-crosswalk,markYoungH/chromium.src,ondra-novak/chromium.src,bright-sparks/chromium-spacewalk,TheTypoMaster/chromium-crosswalk,ltilve/chromium,chuan9/chromium-crosswalk,jaruba/chromium.src,PeterWangIntel/chromium-crosswalk,M4sse/chromium.src,Just-D/chromium-1,jaruba/chromium.src,jaruba/chromium.src,Pluto-tv/chromium-crosswalk,krieger-od/nwjs_chromium.src,hgl888/chromium-crosswalk-efl,mohamed--abdel-maksoud/chromium.src,mohamed--abdel-maksoud/chromium.src,dednal/chromium.src,fujunwei/chromium-crosswalk,ondra-novak/chromium.src,axinging/chromium-crosswalk,crosswalk-project/chromium-crosswalk-efl,Pluto-tv/chromium-crosswalk,chuan9/chromium-crosswalk,dednal/chromium.src,krieger-od/nwjs_chromium.src,Just-D/chromium-1,Just-D/chromium-1,dushu1203/chromium.src,dushu1203/chromium.src,littlstar/chromium.src,mohamed--abdel-maksoud/chromium.src,fujunwei/chromium-crosswalk,hgl888/chromium-crosswalk-efl,M4sse/chromium.src,Jonekee/chromium.src,hgl888/chromium-crosswalk-efl,jaruba/chromium.src,fujunwei/chromium-crosswalk,hgl888/chromium-crosswalk,markYoungH/chromium.src,PeterWangIntel/chromium-crosswalk,ltilve/chromium,bright-sparks/chromium-spacewalk,Chilledheart/chromium,fujunwei/chromium-crosswalk,krieger-od/nwjs_chromium.src,M4sse/chromium.src,Fireblend/chromium-crosswalk,jaruba/chromium.src,ondra-novak/chromium.src,axinging/chromium-crosswalk,Jonekee/chromium.src,Just-D/chromium-1,ltilve/chromium,M4sse/chromium.src,jaruba/chromium.src,Pluto-tv/chromium-crosswalk,M4sse/chromium.src,hgl888/chromium-crosswalk-efl,markYoungH/chromium.src,fujunwei/chromium-crosswalk,hgl888/chromium-crosswalk,crosswalk-project/chromium-crosswalk-efl,littlstar/chromium.src,Jonekee/chromium.src,ltilve/chromium,mohamed--abdel-maksoud/chromium.src,mohamed--abdel-maksoud/chromium.src,ondra-novak/chromium.src,bright-sparks/chromium-spacewalk,dushu1203/chromium.src,jaruba/chromium.src,PeterWangIntel/chromium-crosswalk,Fireblend/chromium-crosswalk,chuan9/chromium-crosswalk,axinging/chromium-crosswalk,markYoungH/chromium.src,dushu1203/chromium.src,dednal/chromium.src,dushu1203/chromium.src,axinging/chromium-crosswalk,krieger-od/nwjs_chromium.src,Pluto-tv/chromium-crosswalk,bright-sparks/chromium-spacewalk,ondra-novak/chromium.src,jaruba/chromium.src,Jonekee/chromium.src,crosswalk-project/chromium-crosswalk-efl,littlstar/chromium.src,chuan9/chromium-crosswalk,markYoungH/chromium.src,M4sse/chromium.src,hgl888/chromium-crosswalk-efl,axinging/chromium-crosswalk,Chilledheart/chromium,dednal/chromium.src,littlstar/chromium.src,dushu1203/chromium.src,littlstar/chromium.src,Just-D/chromium-1,krieger-od/nwjs_chromium.src,TheTypoMaster/chromium-crosswalk,Jonekee/chromium.src,Jonekee/chromium.src,fujunwei/chromium-crosswalk,markYoungH/chromium.src,ondra-novak/chromium.src,markYoungH/chromium.src,jaruba/chromium.src,hgl888/chromium-crosswalk,hgl888/chromium-crosswalk-efl,PeterWangIntel/chromium-crosswalk,PeterWangIntel/chromium-crosswalk,Just-D/chromium-1,Chilledheart/chromium,dednal/chromium.src,TheTypoMaster/chromium-crosswalk,crosswalk-project/chromium-crosswalk-efl,Chilledheart/chromium,Jonekee/chromium.src,Pluto-tv/chromium-crosswalk,ltilve/chromium,hgl888/chromium-crosswalk,dednal/chromium.src,Chilledheart/chromium,chuan9/chromium-crosswalk,PeterWangIntel/chromium-crosswalk,TheTypoMaster/chromium-crosswalk,littlstar/chromium.src,dednal/chromium.src,chuan9/chromium-crosswalk,bright-sparks/chromium-spacewalk,axinging/chromium-crosswalk,Fireblend/chromium-crosswalk,Fireblend/chromium-crosswalk,M4sse/chromium.src,TheTypoMaster/chromium-crosswalk,littlstar/chromium.src,Chilledheart/chromium,crosswalk-project/chromium-crosswalk-efl,Pluto-tv/chromium-crosswalk,Just-D/chromium-1,M4sse/chromium.src,jaruba/chromium.src,crosswalk-project/chromium-crosswalk-efl,dednal/chromium.src,hgl888/chromium-crosswalk,hgl888/chromium-crosswalk-efl,mohamed--abdel-maksoud/chromium.src,PeterWangIntel/chromium-crosswalk,ltilve/chromium,TheTypoMaster/chromium-crosswalk,Fireblend/chromium-crosswalk,crosswalk-project/chromium-crosswalk-efl,ondra-novak/chromium.src,Fireblend/chromium-crosswalk,Chilledheart/chromium,hgl888/chromium-crosswalk-efl,krieger-od/nwjs_chromium.src,fujunwei/chromium-crosswalk,Pluto-tv/chromium-crosswalk,M4sse/chromium.src,Jonekee/chromium.src,chuan9/chromium-crosswalk,TheTypoMaster/chromium-crosswalk,hgl888/chromium-crosswalk-efl,fujunwei/chromium-crosswalk,krieger-od/nwjs_chromium.src,PeterWangIntel/chromium-crosswalk,ltilve/chromium,mohamed--abdel-maksoud/chromium.src,dednal/chromium.src,axinging/chromium-crosswalk,ltilve/chromium,crosswalk-project/chromium-crosswalk-efl,markYoungH/chromium.src,axinging/chromium-crosswalk,littlstar/chromium.src,Jonekee/chromium.src,axinging/chromium-crosswalk,markYoungH/chromium.src,chuan9/chromium-crosswalk,dushu1203/chromium.src,dednal/chromium.src,Fireblend/chromium-crosswalk,dushu1203/chromium.src,Just-D/chromium-1,bright-sparks/chromium-spacewalk,mohamed--abdel-maksoud/chromium.src,dushu1203/chromium.src,Jonekee/chromium.src,Chilledheart/chromium,hgl888/chromium-crosswalk,krieger-od/nwjs_chromium.src,chuan9/chromium-crosswalk,hgl888/chromium-crosswalk-efl,krieger-od/nwjs_chromium.src,markYoungH/chromium.src,Pluto-tv/chromium-crosswalk,hgl888/chromium-crosswalk,Chilledheart/chromium,bright-sparks/chromium-spacewalk,dushu1203/chromium.src,ltilve/chromium,Jonekee/chromium.src,M4sse/chromium.src,crosswalk-project/chromium-crosswalk-efl,ondra-novak/chromium.src,krieger-od/nwjs_chromium.src,axinging/chromium-crosswalk,TheTypoMaster/chromium-crosswalk,hgl888/chromium-crosswalk,bright-sparks/chromium-spacewalk,jaruba/chromium.src,TheTypoMaster/chromium-crosswalk,Pluto-tv/chromium-crosswalk,krieger-od/nwjs_chromium.src,dushu1203/chromium.src,M4sse/chromium.src,hgl888/chromium-crosswalk,Fireblend/chromium-crosswalk,Just-D/chromium-1,bright-sparks/chromium-spacewalk,mohamed--abdel-maksoud/chromium.src,markYoungH/chromium.src,axinging/chromium-crosswalk,PeterWangIntel/chromium-crosswalk,mohamed--abdel-maksoud/chromium.src