Update V8 in Chromium to version 1.2.4. The new version contains

performance improvements to the parser and code generator, and it
extends the script compilation cache to allow compiled code for
scripts to survive garbage collections.
Review URL: http://codereview.chromium.org/115459

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@16270 0039d316-1c4b-4281-b951-d872f2087c98

DEPS

@@ -29,7 +29,7 @@ deps = {
     "http://gyp.googlecode.com/svn/trunk@483",
 
   "src/v8":
-    "http://v8.googlecode.com/svn/trunk@1980",
+    "http://v8.googlecode.com/svn/trunk@1983",
 
   "src/third_party/skia":
     "http://skia.googlecode.com/svn/trunk@171",