Add methods to allow resuming execution after calling TerminateExecution().

src/api.cc

Index: src/api.cc
===================================================================
--- src/api.cc	(revision 12718)
+++ src/api.cc	(working copy)
@@ -1674,7 +1674,8 @@
       is_verbose_(false),
       can_continue_(true),
       capture_message_(true),
-      rethrow_(false) {
+      rethrow_(false),
+      has_terminated_(false) {
   isolate_->RegisterTryCatchHandler(this);
 }
 
@@ -1702,6 +1703,11 @@
 }
 
 
+bool v8::TryCatch::HasTerminated() const {
+  return has_terminated_;
+}
+
+
 v8::Handle<v8::Value> v8::TryCatch::ReThrow() {
   if (!HasCaught()) return v8::Local<v8::Value>();
   rethrow_ = true;
@@ -5471,6 +5477,16 @@
 }
 
 
+void V8::ResumeExecution(Isolate* isolate) {
+  // If no isolate is supplied, use the default isolate.
+  if (isolate != NULL) {
+    reinterpret_cast<i::Isolate*>(isolate)->stack_guard()->ResumeExecution();
+  } else {
+    i::Isolate::GetDefaultIsolateStackGuard()->ResumeExecution();
+  }
+}
+
+
 Isolate* Isolate::GetCurrent() {
   i::Isolate* isolate = i::Isolate::UncheckedCurrent();
   return reinterpret_cast<Isolate*>(isolate);