Roll trace-viewer deps from r176 to r179 to fix HighDPI

BUG=155425
TBR=nduca@chromium.org

Review URL: https://chromiumcodereview.appspot.com/11188026

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@162324 0039d316-1c4b-4281-b951-d872f2087c98

DEPS

@@ -65,7 +65,7 @@ deps = {
     (Var("googlecode_url") % "angleproject") + "/trunk@1289",
 
   "src/third_party/trace-viewer":
-    (Var("googlecode_url") % "trace-viewer") + "/trunk@176",
+    (Var("googlecode_url") % "trace-viewer") + "/trunk@179",
 
   # Note that this is *not* where we check out WebKit -- this just
   # puts some extra files into place for the real WebKit checkout to