Merge WebKit at r59636: Update v8 to r4660.

Will build and run with current webkit.

Change-Id: I57bae621fd894da363ba84e1757ad09eb7c502b9
diff --git a/include/v8-profiler.h b/include/v8-profiler.h
index eca6548..f1b8ffb 100644
--- a/include/v8-profiler.h
+++ b/include/v8-profiler.h
@@ -109,7 +109,7 @@
   /** Retrieves a child node by index. */
   const CpuProfileNode* GetChild(int index) const;
 
-  static const int kNoLineNumberInfo = 0;
+  static const int kNoLineNumberInfo = Message::kNoLineNumberInfo;
 };