Minor string changes:
Minor string changes:

1. Change Clear All to Clear all (Sentence case for all labels)
2. Remove 'uncompleted' from the downloads in progress confirm,
   and change 'remove' to just 'cancel' in all cases.

R= glen
BUG= 10954
TEST= Ctrl+J and check that the label in the upper right is 'Clear all' 
with a lower-case a.

TEST= Close the browser with a download in progress and verify that the prompt
is 

   "You have 1 download(s) in progress. If you close Google Chrome now, these
    downloads will be canceled."

and the cancel button is

   "Close and cancel downloads"

Review URL: http://codereview.chromium.org/92114

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@14410 0039d316-1c4b-4281-b951-d872f2087c98

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