Bumping nacl rev into chrome.

DEPS

 vars = {
   # Use this googlecode_url variable only if there is an internal mirror for it.
   # If you do not know, use the full path while defining your new deps entry.
   "googlecode_url": "http://%s.googlecode.com/svn",
   "sourceforge_url": "http://%(repo)s.svn.sourceforge.net/svnroot/%(repo)s",
   "webkit_trunk": "http://svn.webkit.org/repository/webkit/trunk",
   "nacl_trunk": "http://src.chromium.org/native_client/trunk",
   "webkit_revision": "101035",
   "chromium_git": "http://git.chromium.org/git",
   "swig_revision": "69281",
-  "nacl_revision": "7169",
+  "nacl_revision": "7281",
   # 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
 
   # These hashes need to be updated when nacl_toolchain_revision is changed.
   # After changing nacl_toolchain_revision, run 'gclient runhooks' to get the
   # new values.
+  "nacl_toolchain_linux_x86_hash":
+    "33afa1cefa7fd2a7270b309298dbbf93361d90db",
+  "nacl_toolchain_linux_x86_newlib_hash":
+    "5f82c18ce9d0201f9df852bddcb19746ef690290",
+  "nacl_toolchain_mac_x86_hash":
+    "f7b73f3d9073b75bb1ef6b583eaf56f397ca80ed",
   "nacl_toolchain_mac_x86_newlib_hash":
-      "74612a65dd6bae1d85af1f7277cc6af6e5d86b46",
+    "648b5ae8ae770b41c4a0eef28cff6f67fe8bb386",
+  "nacl_toolchain_win_x86_hash":
+    "75ee1d6f8c758d9580b2c35773b14d0ab6847372",
   "nacl_toolchain_win_x86_newlib_hash":
-      "3672e7b20848beec886badc46909cf24fb1c574f",
-  "nacl_toolchain_linux_x86_newlib_hash":
-      "528b9b85d087ffb5a0f6348f5219a33cd0ff725f",
-  "nacl_toolchain_revision": "7098",
+    "a340bc72900f002f88491bf82baf69d35593ed75",
+  "nacl_toolchain_revision": "7258",
 
   "libjingle_revision": "95",
   "libvpx_revision": "109236",
   "ffmpeg_revision": "109946",
   "sfntly_revision": "98",
   "skia_revision": "2730",
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling Skia
   # and V8 without interference from each other.
   "v8_revision": "10037",
@@ skipping 59 matching lines @@
     (Var("googlecode_url") % "grit-i18n") + "/trunk@7",
 
   "src/tools/gyp":
     (Var("googlecode_url") % "gyp") + "/trunk@1096",
 
   "src/v8":
     (Var("googlecode_url") % "v8") + "/trunk@" + Var("v8_revision"),
 
   "src/native_client":
     Var("nacl_trunk") + "/src/native_client@" + Var("nacl_revision"),
+    
+  "src/native_client_sdk/src/site_scons":
+    Var("nacl_trunk") + "/src/native_client/site_scons@" + Var("nacl_revision"),
+
+  "src/third_party/pymox":
+    "http://pymox.googlecode.com/svn/trunk@61",
 
   "src/chrome/test/data/extensions/api_test/permissions/nacl_enabled/bin":
     Var("nacl_trunk") + "/src/native_client/tests/prebuilt@" +
     Var("nacl_revision"),
 
   "src/third_party/sfntly/src/sfntly":
     (Var("googlecode_url") % "sfntly") + "/trunk/cpp/src/sfntly@" +
     Var("sfntly_revision"),
 
   "src/third_party/skia/src":
@@ skipping 301 matching lines @@
 
 
 hooks = [
   {
     # This downloads binaries for Native Client's newlib toolchain.
     # Done in lieu of building the toolchain from scratch as it can take
     # anywhere from 30 minutes to 4 hours depending on platform to build.
     "pattern": ".",
     "action": [
         "python", "src/build/download_nacl_toolchains.py",
+         "--no-pnacl",
+         "--no-arm-trusted",
          "--x86-version", Var("nacl_toolchain_revision"),
-         "--nacl-newlib-only",
          "--file-hash", "mac_x86_newlib",
              Var("nacl_toolchain_mac_x86_newlib_hash"),
          "--file-hash", "win_x86_newlib",
              Var("nacl_toolchain_win_x86_newlib_hash"),
          "--file-hash", "linux_x86_newlib",
              Var("nacl_toolchain_linux_x86_newlib_hash"),
+         "--file-hash", "mac_x86",
+             Var("nacl_toolchain_mac_x86_hash"),
+         "--file-hash", "win_x86",
+             Var("nacl_toolchain_win_x86_hash"),
+         "--file-hash", "linux_x86",
+             Var("nacl_toolchain_linux_x86_hash"),
+         "--save-downloads-dir",
+         "src/native_client_sdk/src/build_tools/toolchain_archives",
     ],
   },
   {
     # Pull clang on mac. If nothing changed, or on non-mac platforms, this takes
     # zero seconds to run. If something changed, it downloads a prebuilt clang,
     # which takes ~20s, but clang speeds up builds by more than 20s.
     "pattern": ".",
     "action": ["python", "src/tools/clang/scripts/update.py", "--mac-only"],
   },
   {
     # A change to a .gyp, .gypi, or to GYP itself should run the generator.
     "pattern": ".",
     "action": ["python", "src/build/gyp_chromium"],
   },
 ]