Fix compile with chromeos=1.
Fix compile with chromeos=1.

The error (with dynamic linking) is:
  SOLINK(target) out/Debug/obj.target/chrome/libbrowser.so
  out/Debug/obj.target/browser/chrome/browser/geolocation/wifi_data_provider_linux.o: In function `DeviceDataProvider<WifiData>::DefaultFactoryFunction()':
  /home/sadrul/devel/c/src/chrome/browser/geolocation/wifi_data_provider_linux.cc:355: multiple definition of `DeviceDataProvider<WifiData>::DefaultFactoryFunction()'
  out/Debug/obj.target/browser/chrome/browser/geolocation/wifi_data_provider_chromeos.o:/home/sadrul/devel/c/src/chrome/browser/geolocation/wifi_data_provider_chromeos.cc:71: first defined here
  collect2: ld returned 1 exit status
  make: *** [out/Debug/obj.target/chrome/libbrowser.so] Error 1

Patch by: Sadrul Chowdhury <sadrul@chromium.org>

BUG=None
TEST=Build completes with dynamic linking enabled and GYP_DEFINES='chromeos=1'.

Review URL: http://codereview.chromium.org/4019009

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@63889 0039d316-1c4b-4281-b951-d872f2087c98

anirudhSK/chromium,dushu1203/chromium.src,timopulkkinen/BubbleFish,fujunwei/chromium-crosswalk,pozdnyakov/chromium-crosswalk,timopulkkinen/BubbleFish,mohamed--abdel-maksoud/chromium.src,zcbenz/cefode-chromium,Fireblend/chromium-crosswalk,hgl888/chromium-crosswalk-efl,ondra-novak/chromium.src,robclark/chromium,crosswalk-project/chromium-crosswalk-efl,hgl888/chromium-crosswalk,TheTypoMaster/chromium-crosswalk,patrickm/chromium.src,TheTypoMaster/chromium-crosswalk,markYoungH/chromium.src,ltilve/chromium,ltilve/chromium,dednal/chromium.src,pozdnyakov/chromium-crosswalk,bright-sparks/chromium-spacewalk,ondra-novak/chromium.src,ltilve/chromium,TheTypoMaster/chromium-crosswalk,nacl-webkit/chrome_deps,axinging/chromium-crosswalk,hujiajie/pa-chromium,bright-sparks/chromium-spacewalk,littlstar/chromium.src,littlstar/chromium.src,patrickm/chromium.src,crosswalk-project/chromium-crosswalk-efl,robclark/chromium,pozdnyakov/chromium-crosswalk,bright-sparks/chromium-spacewalk,hgl888/chromium-crosswalk,pozdnyakov/chromium-crosswalk,ChromiumWebApps/chromium,robclark/chromium,TheTypoMaster/chromium-crosswalk,Fireblend/chromium-crosswalk,dednal/chromium.src,littlstar/chromium.src,keishi/chromium,zcbenz/cefode-chromium,robclark/chromium,dushu1203/chromium.src,crosswalk-project/chromium-crosswalk-efl,Fireblend/chromium-crosswalk,ondra-novak/chromium.src,keishi/chromium,rogerwang/chromium,crosswalk-project/chromium-crosswalk-efl,M4sse/chromium.src,hgl888/chromium-crosswalk-efl,M4sse/chromium.src,robclark/chromium,Chilledheart/chromium,Jonekee/chromium.src,nacl-webkit/chrome_deps,Just-D/chromium-1,ondra-novak/chromium.src,TheTypoMaster/chromium-crosswalk,nacl-webkit/chrome_deps,junmin-zhu/chromium-rivertrail,jaruba/chromium.src,M4sse/chromium.src,bright-sparks/chromium-spacewalk,hujiajie/pa-chromium,bright-sparks/chromium-spacewalk,PeterWangIntel/chromium-crosswalk,chuan9/chromium-crosswalk,mohamed--abdel-maksoud/chromium.src,timopulkkinen/BubbleFish,timopulkkinen/BubbleFish,rogerwang/chromium,anirudhSK/chromium,PeterWangIntel/chromium-crosswalk,axinging/chromium-crosswalk,hgl888/chromium-crosswalk,junmin-zhu/chromium-rivertrail,keishi/chromium,PeterWangIntel/chromium-crosswalk,PeterWangIntel/chromium-crosswalk,zcbenz/cefode-chromium,ChromiumWebApps/chromium,hgl888/chromium-crosswalk-efl,Fireblend/chromium-crosswalk,timopulkkinen/BubbleFish,mohamed--abdel-maksoud/chromium.src,axinging/chromium-crosswalk,hujiajie/pa-chromium,jaruba/chromium.src,junmin-zhu/chromium-rivertrail,ondra-novak/chromium.src,zcbenz/cefode-chromium,patrickm/chromium.src,jaruba/chromium.src,fujunwei/chromium-crosswalk,hgl888/chromium-crosswalk-efl,junmin-zhu/chromium-rivertrail,Chilledheart/chromium,Pluto-tv/chromium-crosswalk,nacl-webkit/chrome_deps,markYoungH/chromium.src,krieger-od/nwjs_chromium.src,PeterWangIntel/chromium-crosswalk,bright-sparks/chromium-spacewalk,pozdnyakov/chromium-crosswalk,Jonekee/chromium.src,littlstar/chromium.src,PeterWangIntel/chromium-crosswalk,timopulkkinen/BubbleFish,Jonekee/chromium.src,markYoungH/chromium.src,crosswalk-project/chromium-crosswalk-efl,Chilledheart/chromium,rogerwang/chromium,nacl-webkit/chrome_deps,pozdnyakov/chromium-crosswalk,chuan9/chromium-crosswalk,anirudhSK/chromium,mohamed--abdel-maksoud/chromium.src,littlstar/chromium.src,pozdnyakov/chromium-crosswalk,nacl-webkit/chrome_deps,patrickm/chromium.src,timopulkkinen/BubbleFish,timopulkkinen/BubbleFish,nacl-webkit/chrome_deps,fujunwei/chromium-crosswalk,Chilledheart/chromium,mogoweb/chromium-crosswalk,robclark/chromium,axinging/chromium-crosswalk,markYoungH/chromium.src,rogerwang/chromium,zcbenz/cefode-chromium,pozdnyakov/chromium-crosswalk,krieger-od/nwjs_chromium.src,markYoungH/chromium.src,krieger-od/nwjs_chromium.src,dushu1203/chromium.src,axinging/chromium-crosswalk,Jonekee/chromium.src,keishi/chromium,axinging/chromium-crosswalk,crosswalk-project/chromium-crosswalk-efl,anirudhSK/chromium,ChromiumWebApps/chromium,Pluto-tv/chromium-crosswalk,Chilledheart/chromium,mogoweb/chromium-crosswalk,TheTypoMaster/chromium-crosswalk,hgl888/chromium-crosswalk-efl,ChromiumWebApps/chromium,patrickm/chromium.src,nacl-webkit/chrome_deps,anirudhSK/chromium,timopulkkinen/BubbleFish,M4sse/chromium.src,Pluto-tv/chromium-crosswalk,jaruba/chromium.src,jaruba/chromium.src,dushu1203/chromium.src,mohamed--abdel-maksoud/chromium.src,bright-sparks/chromium-spacewalk,patrickm/chromium.src,rogerwang/chromium,littlstar/chromium.src,mohamed--abdel-maksoud/chromium.src,pozdnyakov/chromium-crosswalk,chuan9/chromium-crosswalk,Just-D/chromium-1,pozdnyakov/chromium-crosswalk,krieger-od/nwjs_chromium.src,junmin-zhu/chromium-rivertrail,Pluto-tv/chromium-crosswalk,markYoungH/chromium.src,dushu1203/chromium.src,junmin-zhu/chromium-rivertrail,dednal/chromium.src,pozdnyakov/chromium-crosswalk,Just-D/chromium-1,krieger-od/nwjs_chromium.src,littlstar/chromium.src,ltilve/chromium,Pluto-tv/chromium-crosswalk,keishi/chromium,axinging/chromium-crosswalk,nacl-webkit/chrome_deps,Jonekee/chromium.src,zcbenz/cefode-chromium,hujiajie/pa-chromium,chuan9/chromium-crosswalk,zcbenz/cefode-chromium,mogoweb/chromium-crosswalk,hgl888/chromium-crosswalk,krieger-od/nwjs_chromium.src,mogoweb/chromium-crosswalk,junmin-zhu/chromium-rivertrail,krieger-od/nwjs_chromium.src,timopulkkinen/BubbleFish,mohamed--abdel-maksoud/chromium.src,M4sse/chromium.src,mogoweb/chromium-crosswalk,anirudhSK/chromium,markYoungH/chromium.src,M4sse/chromium.src,TheTypoMaster/chromium-crosswalk,dednal/chromium.src,Fireblend/chromium-crosswalk,PeterWangIntel/chromium-crosswalk,anirudhSK/chromium,robclark/chromium,hgl888/chromium-crosswalk-efl,hujiajie/pa-chromium,ondra-novak/chromium.src,Just-D/chromium-1,axinging/chromium-crosswalk,dednal/chromium.src,hgl888/chromium-crosswalk-efl,ltilve/chromium,dednal/chromium.src,bright-sparks/chromium-spacewalk,patrickm/chromium.src,ChromiumWebApps/chromium,ChromiumWebApps/chromium,M4sse/chromium.src,crosswalk-project/chromium-crosswalk-efl,fujunwei/chromium-crosswalk,Just-D/chromium-1,keishi/chromium,hgl888/chromium-crosswalk,dushu1203/chromium.src,markYoungH/chromium.src,Just-D/chromium-1,PeterWangIntel/chromium-crosswalk,keishi/chromium,dednal/chromium.src,fujunwei/chromium-crosswalk,robclark/chromium,mohamed--abdel-maksoud/chromium.src,ltilve/chromium,dednal/chromium.src,hujiajie/pa-chromium,ChromiumWebApps/chromium,dushu1203/chromium.src,krieger-od/nwjs_chromium.src,chuan9/chromium-crosswalk,ChromiumWebApps/chromium,krieger-od/nwjs_chromium.src,Fireblend/chromium-crosswalk,ChromiumWebApps/chromium,jaruba/chromium.src,hujiajie/pa-chromium,chuan9/chromium-crosswalk,hujiajie/pa-chromium,chuan9/chromium-crosswalk,Pluto-tv/chromium-crosswalk,Just-D/chromium-1,jaruba/chromium.src,anirudhSK/chromium,jaruba/chromium.src,axinging/chromium-crosswalk,patrickm/chromium.src,Just-D/chromium-1,fujunwei/chromium-crosswalk,fujunwei/chromium-crosswalk,dednal/chromium.src,dednal/chromium.src,mogoweb/chromium-crosswalk,crosswalk-project/chromium-crosswalk-efl,keishi/chromium,axinging/chromium-crosswalk,zcbenz/cefode-chromium,anirudhSK/chromium,Pluto-tv/chromium-crosswalk,markYoungH/chromium.src,timopulkkinen/BubbleFish,hgl888/chromium-crosswalk-efl,rogerwang/chromium,anirudhSK/chromium,ChromiumWebApps/chromium,rogerwang/chromium,zcbenz/cefode-chromium,axinging/chromium-crosswalk,bright-sparks/chromium-spacewalk,Fireblend/chromium-crosswalk,M4sse/chromium.src,Chilledheart/chromium,mohamed--abdel-maksoud/chromium.src,dushu1203/chromium.src,Just-D/chromium-1,Jonekee/chromium.src,junmin-zhu/chromium-rivertrail,ltilve/chromium,hujiajie/pa-chromium,jaruba/chromium.src,PeterWangIntel/chromium-crosswalk,nacl-webkit/chrome_deps,anirudhSK/chromium,dushu1203/chromium.src,zcbenz/cefode-chromium,rogerwang/chromium,mogoweb/chromium-crosswalk,crosswalk-project/chromium-crosswalk-efl,Chilledheart/chromium,mogoweb/chromium-crosswalk,Pluto-tv/chromium-crosswalk,ChromiumWebApps/chromium,mohamed--abdel-maksoud/chromium.src,Pluto-tv/chromium-crosswalk,junmin-zhu/chromium-rivertrail,anirudhSK/chromium,Chilledheart/chromium,dushu1203/chromium.src,dednal/chromium.src,ondra-novak/chromium.src,jaruba/chromium.src,robclark/chromium,Jonekee/chromium.src,hgl888/chromium-crosswalk-efl,hujiajie/pa-chromium,junmin-zhu/chromium-rivertrail,TheTypoMaster/chromium-crosswalk,jaruba/chromium.src,TheTypoMaster/chromium-crosswalk,chuan9/chromium-crosswalk,ondra-novak/chromium.src,hgl888/chromium-crosswalk,ChromiumWebApps/chromium,nacl-webkit/chrome_deps,hujiajie/pa-chromium,markYoungH/chromium.src,patrickm/chromium.src,Jonekee/chromium.src,Jonekee/chromium.src,M4sse/chromium.src,markYoungH/chromium.src,keishi/chromium,hgl888/chromium-crosswalk,Jonekee/chromium.src,krieger-od/nwjs_chromium.src,keishi/chromium,fujunwei/chromium-crosswalk,keishi/chromium,rogerwang/chromium,hgl888/chromium-crosswalk,ltilve/chromium,Fireblend/chromium-crosswalk,mogoweb/chromium-crosswalk,rogerwang/chromium,zcbenz/cefode-chromium,junmin-zhu/chromium-rivertrail,littlstar/chromium.src,robclark/chromium,dushu1203/chromium.src,mohamed--abdel-maksoud/chromium.src,M4sse/chromium.src,Jonekee/chromium.src,hgl888/chromium-crosswalk-efl,Fireblend/chromium-crosswalk,krieger-od/nwjs_chromium.src,chuan9/chromium-crosswalk,ltilve/chromium,Chilledheart/chromium,mogoweb/chromium-crosswalk,ondra-novak/chromium.src,fujunwei/chromium-crosswalk,hgl888/chromium-crosswalk,M4sse/chromium.src