Add a copy of the SMHasher library. MurmurHash3 will be used by SafeBrowsing phishing detection.

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",
   "webkit_trunk": "http://svn.webkit.org/repository/webkit/trunk",
   "nacl_trunk": "http://src.chromium.org/native_client/trunk",
   "webkit_revision": "94807",
   "chromium_git": "http://git.chromium.org/git",
   "swig_revision": "69281",
   "nacl_revision": "6641",
@@ skipping 255 matching lines @@
     Var("nacl_trunk") + "/src/third_party/pylib@" + Var("nacl_tools_revision"),
   "src/third_party/scons-2.0.1":
     Var("nacl_trunk") + "/src/third_party/scons-2.0.1@" +
         Var("nacl_tools_revision"),
 
   "src/third_party/webrtc":
     (Var("googlecode_url") % "webrtc") + "/trunk/src@" + Var("webrtc_revision"),
 
   "src/third_party/mozc/session":
     (Var("googlecode_url") % "mozc") + "/trunk/src/session@58",
+
+  "src/third_party/smhasher/src":
+    "http://smhasher.googlecode.com/svn/trunk@136",
 }
 
 
 deps_os = {
   "win": {
     "src/chrome/tools/test/reference_build/chrome_win":
       "/trunk/deps/reference_builds/chrome_win@89574",
 
     "src/third_party/cygwin":
       "/trunk/deps/third_party/cygwin@66844",
@@ skipping 142 matching lines @@
     # 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"],
   },
 ]