Update V8 to r5901 as required by WebKit r73109

Change-Id: Ic48c5b085ce90e0151e2e7e58c4c5afe87fce9d1
diff --git a/src/allocation.h b/src/allocation.h
index 70a3a03..6f4bd2f 100644
--- a/src/allocation.h
+++ b/src/allocation.h
@@ -31,6 +31,10 @@
 namespace v8 {
 namespace internal {
 
+// Called when allocation routines fail to allocate.
+// This function should not return, but should terminate the current
+// processing.
+void FatalProcessOutOfMemory(const char* message);
 
 // A class that controls whether allocation is allowed.  This is for
 // the C++ heap only!