Extension state made per-siolate in genesis

src/isolate.cc

Index: src/isolate.cc
diff --git a/src/isolate.cc b/src/isolate.cc
index a073af9c379dc5610c93085500b18e4d904774d7..3a5169f2ea690e82bd7a6fd94cfe323b69da191f 100644
--- a/src/isolate.cc
+++ b/src/isolate.cc
@@ -30,6 +30,7 @@
 #include "v8.h"
 
 #include "ast.h"
+#include "api.h"
 #include "bootstrapper.h"
 #include "codegen.h"
 #include "compilation-cache.h"
@@ -1412,6 +1413,7 @@ Isolate::Isolate()
       // Must be initialized early to allow v8::Debug calls.
       debugger_access_(OS::CreateMutex()),
       logger_(NULL),
+      extension_states_(NULL),
       stats_table_(NULL),
       stub_cache_(NULL),
       deoptimizer_data_(NULL),
@@ -1539,6 +1541,7 @@ void Isolate::Deinit() {
       delete runtime_profiler_;
       runtime_profiler_ = NULL;
     }
+
     heap_.TearDown();
     logger_->TearDown();
 
@@ -1584,6 +1587,9 @@ Isolate::~Isolate() {
   delete stats_table_;
   stats_table_ = NULL;
 
+  delete extension_states_;
+  extension_states_ = NULL;
+
   delete logger_;
   logger_ = NULL;
 
@@ -1732,6 +1738,8 @@ bool Isolate::Init(Deserializer* des) {
   regexp_stack_ = new RegExpStack();
   regexp_stack_->isolate_ = this;
 
+  extension_states_ = new ExtensionStates();
+
   // Enable logging before setting up the heap
   logger_->Setup();