Update V8 to version 3.8.0.

TBR=erik.corry

Review URL: http://codereview.chromium.org/8935003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@114199 0039d316-1c4b-4281-b951-d872f2087c98

DEPS

@@ -40,7 +40,7 @@ vars = {
   # 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": "10163",
+  "v8_revision": "10239",
   "webrtc_revision": "1165",
   "jsoncpp_revision": "246",
 }
@@ -106,7 +106,7 @@ deps = {
     (Var("googlecode_url") % "gyp") + "/trunk@1104",
 
   "src/v8":
-    (Var("googlecode_url") % "v8") + "/branches/3.7@" + Var("v8_revision"),
+    (Var("googlecode_url") % "v8") + "/trunk@" + Var("v8_revision"),
 
   "src/native_client":
     Var("nacl_trunk") + "/src/native_client@" + Var("nacl_revision"),