NaCl: Update revision in DEPS, r8950 -> r8974
NaCl: Update revision in DEPS, r8950 -> r8974

This pulls in the following Native Client changes:

r8951: (khim) Really forbid fsincos instruction
r8952: (bradnelson) Use excs.defs from the sdk.
r8953: (robertm) Added simple script for building llc
r8954: (mcgrathr) Uniformly round data_start down to NACL_MAP_PAGESIZE boundary
r8955: (bradnelson) Revert 8952 - Use excs.defs from the sdk.
r8956: (robertm) Update llvm stable rev to pull in
r8957: (bradnelson) Revert 8951 - Really forbid fsincos instruction
r8958: (bbudge) Update Chrome revision in NaCl DEPS.
r8960: (mcgrathr) Enable exception tests for non-PNaCl ARM
r8961: (mcgrathr) Fix NACL_CONTROL_FLOW_MASK definition for ARM
r8962: (mcgrathr) Fix irt_check_tls tests for arm-nacl-gcc
r8963: (mcgrathr) Remove ancient and nonexistent 'gold-barebones_hello_world' test
r8964: (mseaborn) Thread suspension: Simplify the Windows implementation
r8965: (robertm) Remove first half of libelf which is no longer used by pnacl.
r8966: (mcgrathr) Update x86 toolchain in DEPS
r8968: (jvoung) Add a test for posix_memalign, in anticipation of dlmalloc fix.
r8969: (mseaborn) dyncode_create(): Reduce the number of mprotect() calls by coalescing them
r8970: (mseaborn) Thread suspension: Move comments and function prototypes to a single location
r8971: (mseaborn) Cleanup: Change some tests to use NaCl's normal C comment style
r8972: (bradnelson) Fixing typo in target name.
r8974: (pasko) Attempt to cleanup the non-beautiful rollback.

BUG=none
TEST=nacl_integration

Review URL: https://chromiumcodereview.appspot.com/10573009

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@142978 0039d316-1c4b-4281-b951-d872f2087c98

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