Revert 220853 "Revert 220846 "Make landmines.py take an extra sc..."
Revert 220853 "Revert 220846 "Make landmines.py take an extra sc..."

r220846 was not the root cause of the failure.

> Revert 220846 "Make landmines.py take an extra script via an env..."
> 
> It broke telemetry_unittests.
> http://build.chromium.org/p/chromium.win/builders/Win%207%20Tests%20x64%20%283%29/builds/8782/steps/telemetry_unittests/logs/stdio
> 
> E:\b\depot_tools\python_bin\python_slave.exe src\tools\telemetry\run_tests --browser=release_x64
> No adb found in $PATH, fallback to checked in binary.
> Traceback (most recent call last):
>   File "src\tools\telemetry\run_tests", line 8, in <module>
>     from telemetry.unittest import gtest_testrunner
>   File "E:\b\build\slave\Win_7_Tests_x64__3_\build\src\tools\telemetry\telemetry\__init__.py", line 12, in <module>
>     from telemetry.core.browser_options import BrowserFinderOptions
>   File "E:\b\build\slave\Win_7_Tests_x64__3_\build\src\tools\telemetry\telemetry\core\browser_options.py", line 12, in <module>
>     from telemetry.core import browser_finder
>   File "E:\b\build\slave\Win_7_Tests_x64__3_\build\src\tools\telemetry\telemetry\core\browser_finder.py", line 9, in <module>
>     from telemetry.core.backends.chrome import android_browser_finder
>   File "E:\b\build\slave\Win_7_Tests_x64__3_\build\src\tools\telemetry\telemetry\core\backends\chrome\android_browser_finder.py", line 17, in <module>
>     from telemetry.core.backends.chrome import android_browser_backend
>   File "E:\b\build\slave\Win_7_Tests_x64__3_\build\src\tools\telemetry\telemetry\core\backends\chrome\android_browser_backend.py", line 15, in <module>
>     from telemetry.core.backends.chrome import chrome_browser_backend
>   File "E:\b\build\slave\Win_7_Tests_x64__3_\build\src\tools\telemetry\telemetry\core\backends\chrome\chrome_browser_backend.py", line 19, in <module>
>     from telemetry.core.backends.chrome import extension_dict_backend
>   File "E:\b\build\slave\Win_7_Tests_x64__3_\build\src\tools\telemetry\telemetry\core\backends\chrome\extension_dict_backend.py", line 9, in <module>
>     from telemetry.core.backends.chrome import inspector_backend
>   File "E:\b\build\slave\Win_7_Tests_x64__3_\build\src\tools\telemetry\telemetry\core\backends\chrome\inspector_backend.py", line 19, in <module>
>     from telemetry.core.jsheap import model
> ImportError: No module named jsheap
> 
> > Make landmines.py take an extra script via an env var.
> > 
> > The extra Python script to run can be specified via env var
> > EXTRA_LANDMINES_SCRIPT.
> > 
> > BUG=223636
> > 
> > Review URL: https://chromiumcodereview.appspot.com/23604016
> 
> TBR=sivachandra@chromium.org
> 
> Review URL: https://codereview.chromium.org/23533016

TBR=tkent@chromium.org

Review URL: https://codereview.chromium.org/23532029

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@220870 0039d316-1c4b-4281-b951-d872f2087c98

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