Revert 184969
Revert 184969

The shot in the dark missed.  The problem still exists.  I'm reverting
this erroneous revert.

> Revert 184871
> 
> This is really a shot in the dark, so apologies if this turns out to be
> an inappropriate revert.
> 
> Some file system api tests started failing about ten hours ago on Linux Tests:
> FileSystemApiOpenBackgroundTest
> FileSystemApiSaveBackgroundTest
> http://build.chromium.org/p/chromium.linux/buildstatus?builder=Linux%20Tests%20%28dbg%29%281%29&number=23657
> 
> They've been red on a number of platforms ever since.
> 
> There was an obvious contender on the blamelist
> http://src.chromium.org/viewvc/chrome?view=rev&revision=184878
> 
> An earlier sheriff reverted this but the problem did not go away.
> 
> So I'm stuck trying to figure out what else could've cause this.  There
> are no likely candidates, but this is the most likely in my assessment
> and that of my fellow sheriff of an unlikely lot.
> 
> So I'm reverting and praying.
> 
> > Adds cache invalidation for out of date entries in File Loader extension.
> > 
> > Image loader was missing cache invalidation for images which became out of date. It means, that once cached they stayed there forever until the cache eviction or a manual removal. This patch solves this problem by adding an additional argument - timestamp, which can be passed to the ImageLoader.Client instance. If the cached image has a different timestamp, then the cache entry will be invalidated and replaced with the new image.
> > 
> > TEST=Not used in production, yet.
> > BUG=178361
> > 
> > Review URL: https://codereview.chromium.org/12326150
> 
> TBR=mtomasz@chromium.org
> Review URL: https://codereview.chromium.org/12310173

TBR=mpearson@chromium.org
Review URL: https://codereview.chromium.org/12342041

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@184977 0039d316-1c4b-4281-b951-d872f2087c98

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