Bumping nacl rev into chrome.

Start downloading glibc toolchain in chrome.
Adding pymox to chrome for sdk.
Adding duplicate of nacl's site_scons for the sdk.

BUG=None
TEST=None
R=noelallen@google.com
Review URL: http://codereview.chromium.org/8677032

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@111497 0039d316-1c4b-4281-b951-d872f2087c98

DEPS

@@ -8,7 +8,7 @@ vars = {
   "webkit_revision": "101114",
   "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
@@ -16,13 +16,19 @@ vars = {
   # 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",
@@ -103,6 +109,12 @@ deps = {
   "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"),
@@ -423,14 +435,23 @@ hooks = [
     "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",
     ],
   },
   {