- Implement Isolate.pause and Isolate.resume.

runtime/vm/object_store.cc

Index: runtime/vm/object_store.cc
===================================================================
--- runtime/vm/object_store.cc	(revision 37860)
+++ runtime/vm/object_store.cc	(working copy)
@@ -65,6 +65,7 @@
     libraries_(GrowableObjectArray::null()),
     pending_classes_(GrowableObjectArray::null()),
     pending_functions_(GrowableObjectArray::null()),
+    pause_capabilities_(GrowableObjectArray::null()),
     sticky_error_(Error::null()),
     unhandled_exception_handler_(String::null()),
     empty_context_(Context::null()),
@@ -109,6 +110,8 @@
   ASSERT(this->pending_functions() == GrowableObjectArray::null());
   this->pending_functions_ = GrowableObjectArray::New();
 
+  this->pause_capabilities_ = GrowableObjectArray::New();
+
   Object& result = Object::Handle();
   const Library& library = Library::Handle(Library::CoreLibrary());