NaCl: Update revision in DEPS, r7919 -> r7946

This pulls in the following Native Client changes:

r7920: (ncbray) Add validation caching interface.
r7921: (jvoung) Change pnacl-nmf "open" calls to "DriverOpen".
r7922: (bradnelson) Passing more information to untrusted crash handlers.
r7923: (bradnelson) Revert 7922 - Passing more information to untrusted crash handlers.
r7924: (bradnelson) Exception handling: Unset the x86 direction flag for untrusted code
r7925: (bradnelson) Revert r7924, which was committed with the wrong description
r7926: (jvoung) bump chrome rev in nacl
r7928: (bradnelson) Passing more information to untrusted crash handlers (a retry of r7922)
r7929: (jvoung) Augment pnacl error-checking test to check that the temp files are cleaned
r7930: (mseaborn) Fix presubmit errors on mmap_test.cc
r7931: (mcgrathr) Link sel_ldr as PIE under Gyp
r7932: (robertm) Update trusted arm TC
r7934: (sehr) Second attempt at SelLdrLauncher refactoring
r7935: (robertm) Add a new scons variabe "pnacl_stop_with_pexe" which will prevent pnacl from
r7936: (robertm) Update arm trusted TC with additional packages to support recent chrome builds
r7937: (mseaborn) mmap: Fix PROT_NONE fill within a 64k page for end-of-file mappings
r7938: (thakis) Remove debug output from nacl_syscall_handlers_gen.py.
r7939: (mseaborn) mmap_test: Fix test failure under ASan
r7940: (jvoung) Remove extra extern "C" that was in callconv_case_by_case test.
r7941: (thakis) Let build_nexe print nothing in the happy case.
r7942: (mseaborn) Debug stub: Extend test to work on x86-32
r7943: (pdox) Add libelf to the PNaCl build.
r7944: (bradchen) whitespace change to trigger build.
r7945: (pdox) PNaCl libelf build: Add more supplemental header files and patches for compiling on Mac.
r7946: (pdox) Minor tweaks to libelf to get it building on Windows.

BUG=none
TEST=nacl_integration

Review URL: https://chromiumcodereview.appspot.com/9597001

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@124909 0039d316-1c4b-4281-b951-d872f2087c98

DEPS

@@ -8,7 +8,7 @@ vars = {
   "webkit_revision": "109636",
   "chromium_git": "http://git.chromium.org/git",
   "swig_revision": "69281",
-  "nacl_revision": "7919",
+  "nacl_revision": "7946",
   # After changing nacl_revision, run 'glient sync' and check native_client/DEPS
   # to update other nacl_*_revision's.
   "nacl_tools_revision": "7139",  # native_client/DEPS: tools_rev
@@ -17,25 +17,25 @@ vars = {
   # After changing nacl_toolchain_revision, run 'gclient runhooks' to get the
   # new values.
   "nacl_toolchain_linux_x86_hash":
-      "030324df172abc67f69dca80012c2a37ccd9ebb0",
+      "b69eb1e819b4f3e400777fa4d2aeeb7c843acba6",
   "nacl_toolchain_linux_x86_newlib_hash":
-      "23697d53dce9a506f65a713d6913e99ecb882f18",
+      "0173431d0c90a53be9b58abd606bcbe19bac65fa",
   "nacl_toolchain_mac_x86_hash":
-      "ea06ee0e55d5e4e252fc85c916474a40b6cad023",
+      "d09a2229839ece0c07fe23d5954e215edaa8823d",
   "nacl_toolchain_mac_x86_newlib_hash":
-      "039a39d2323c8e9380252607bcf9bca1a1cfa7d6",
+      "531ac475ab5c51e5aef9e688e5678889caa2e0ae",
   "nacl_toolchain_pnacl_darwin_i386_hash":
-      "fadb4949172a2cc918ddcadca06ec524f19b29b8",
+      "c7fe895cb02771f39c57bf38cef18ec57b5964b4",
   "nacl_toolchain_pnacl_linux_i686_hash":
-      "a1be3e4ecea3f3d3becfff6860e8a593ec014d81",
+      "e9c34cc67f5ac580414e4a012629b124d8220f34",
   "nacl_toolchain_pnacl_linux_x86_64_hash":
-      "f34c8efb57ca0d1f9fb3f71d9e343bfa7026bd03",
+      "c91d3c9b2a221ee3823ece93e0fa129dc6319300",
   "nacl_toolchain_win_x86_hash":
-      "6a8fd328bcbdaa88887a39fd9a83a006129b44dd",
+      "b02e1d003baba4ac071c41c6dda253cee0907a19",
   "nacl_toolchain_win_x86_newlib_hash":
-      "bd8dd553c9998e7bf826f5746c8ef69c3c5e5ac7",
-  "nacl_toolchain_revision": "7799",
-  "pnacl_toolchain_revision": "7799",
+      "1a64e1a60f398c65d2a5157270996202502d7cc6",
+  "nacl_toolchain_revision": "7898",
+  "pnacl_toolchain_revision": "7898",
 
   "libjingle_revision": "119",
   "libphonenumber_revision": "425",