Update V8 to r7427: Initial merge by git

As required by WebKit r82507

Change-Id: I7ae83ef3f689356043b4929255b7c1dd31d8c5df
diff --git a/src/func-name-inferrer.h b/src/func-name-inferrer.h
index a35034e..5aa2b35 100644
--- a/src/func-name-inferrer.h
+++ b/src/func-name-inferrer.h
@@ -47,7 +47,7 @@
       : entries_stack_(10),
         names_stack_(5),
         funcs_to_infer_(4),
-        dot_(Factory::NewStringFromAscii(CStrVector("."))) {
+        dot_(FACTORY->NewStringFromAscii(CStrVector("."))) {
   }
 
   // Returns whether we have entered name collection state.