Update V8 to r5780 as required by WebKit r71558

Change-Id: Ie3936550b99967a13755930d0dac0a59c3562625
diff --git a/src/api.cc b/src/api.cc
index 2df31df..ee7ad3a 100644
--- a/src/api.cc
+++ b/src/api.cc
@@ -43,7 +43,6 @@
 #include "serialize.h"
 #include "snapshot.h"
 #include "top.h"
-#include "utils.h"
 #include "v8threads.h"
 #include "version.h"
 
@@ -1155,13 +1154,13 @@
 
 ScriptData* ScriptData::PreCompile(const char* input, int length) {
   unibrow::Utf8InputBuffer<> buf(input, length);
-  return i::Parser::PreParse(i::Handle<i::String>(), &buf, NULL);
+  return i::ParserApi::PreParse(i::Handle<i::String>(), &buf, NULL);
 }
 
 
 ScriptData* ScriptData::PreCompile(v8::Handle<String> source) {
   i::Handle<i::String> str = Utils::OpenHandle(*source);
-  return i::Parser::PreParse(str, NULL, NULL);
+  return i::ParserApi::PreParse(str, NULL, NULL);
 }