NaCl: Update revision in DEPS, r7946 -> r7983
NaCl: Update revision in DEPS, r7946 -> r7983

This pulls in the following Native Client changes:

r7947: (sehr) Removes the -i option from the start up command line and replaces the argument
r7948: (halyavin) Remove temporary change need for display manifest url in chrome://memory page.
r7949: (kschimpf) Fix code so that x86-32 decoder doesn't abort on some illegal instructions.
r7950: (kschimpf) Factor out xed decoder into separate tester instance.
r7951: (jvoung) Fix bug from 7761. Have pnacl toolchain tester actually test sbtc for arm.
r7952: (kschimpf) Remove the confusing concept of OpDest from the new decoder.
r7953: (robertm) Added some more components to the arm trusted TC.
r7954: (kschimpf) Fix jump far instructions for x86-32 in the new decoder. Note that this doesn't
r7956: (bsy) check page alignment of mmap return results.  randomized allocations/deallocs.
r7957: (pdox) PNaCl: Update UPSTREAM_REV and BINUTILS_REV to activate:
r7958: (pdox) Roll tools_rev to 7955 and remove elfutils tarball and portability patch from pnacl directory.
r7960: (eugenis) Update the path to ASan blacklist file.
r7961: (eugenis) Fix a typo.
r7962: (robertm) Update trusted ARM TC to pull in some more shared libs
r7964: (mcgrathr) Don't use -lcrypto by default
r7965: (mcgrathr) Fix uninitialized value in obj_proxy_test
r7966: (bradchen) Eliminate racey calls to QueryPerformanceCounter.
r7967: (sehr) Add NaClDuplicateNaClHandle.
r7968: (pdox) Use CPPDEFINES instead of CFLAGS for the USE_CRYPT=0 define.
r7969: (jvoung) Change a few pnacl pexe browser tests to use the new pexe mode
r7970: (sehr) Revert r7947: "Removes the -i option from the start up command line and replaces the argument"
r7971: (jvoung) Clean up browser_dynamic_library scons files / NMF generation to
r7972: (robertm) Fix a small typo in the pnacl tc build script
r7973: (jvoung) Disallow pnacl_stop_with_pexe with --nacl_glibc x86-64 for now,
r7974: (kschimpf) Clean up arm validator by introducing symbolic names for registers etc.
r7975: (mseaborn) Allow minimal sel_ldr executables to be linked without the debug stub
r7976: (bradnelson) Add dev irt interface for exception handling, and use it.
r7977: (dschuff) Roll Chrome DEPS in Nacl to 125604
r7979: (robertm) Make sure that "pnacl/build.sh  newlib" can be run by itself again.
r7980: (mseaborn) Generate most manifest files instead of having them checked in
r7981: (jvoung) Add libmemusage.so to glibc-copy(), since that is used by a test.
r7982: (robertm) A simple tool for generating C code proportional in size to some command line parameter.
r7983: (mcgrathr) Give scons --verbose option on Chrome bots

BUG=none
TEST=nacl_integration

Review URL: https://chromiumcodereview.appspot.com/9663022

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@125943 0039d316-1c4b-4281-b951-d872f2087c98

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