gn win: fix deps in content/shell
gn win: fix deps in content/shell

Otherwise

FAILED: d:/src/cr3/src/out/Release/gn.exe --root=d:/src/cr3/src -q gen //out_gn/
ERROR at //content/shell/BUILD.gn:440:5: Replacing nonempty list.
    deps = [ "//sandbox" ]
    ^---
This overwrites a previously-defined nonempty list (length 4).
See //content/shell/BUILD.gn:433:5: for previous definition
    ":content_shell_lib",
    ^--------------------
with another one (length 1). Did you mean "+=" to append instead? If you
really want to do this, do
  deps = []
before reassigning.


(I don't know how much right-er this is, but at least generation doesn't error out)


TBR=brettw@chromium.org
BUG=354261

Review URL: https://codereview.chromium.org/424183002

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@286294 0039d316-1c4b-4281-b951-d872f2087c98

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