Inline the StackResource constructor/destructor.

vm/isolate.h

Index: vm/isolate.h
===================================================================
--- vm/isolate.h	(revision 6251)
+++ vm/isolate.h	(working copy)
@@ -8,6 +8,7 @@
 #include "include/dart_api.h"
 #include "platform/assert.h"
 #include "platform/thread.h"
+#include "vm/base_isolate.h"
 #include "vm/gc_callbacks.h"
 #include "vm/store_buffer.h"
 #include "vm/timer.h"
@@ -33,7 +34,7 @@
 class Zone;
 
 
-class Isolate {
+class Isolate : public BaseIsolate {
  public:
   ~Isolate();
 
@@ -83,9 +84,6 @@
     return OFFSET_OF(Isolate, object_store_);
   }
 
-  StackResource* top_resource() const { return top_resource_; }
-  void set_top_resource(StackResource* value) { top_resource_ = value; }
-
   RawContext* top_context() const { return top_context_; }
   void set_top_context(RawContext* value) { top_context_ = value; }
   static intptr_t top_context_offset() {
@@ -117,8 +115,6 @@
 
   TimerList& timer_list() { return timer_list_; }
 
-  Zone* current_zone() const { return current_zone_; }
-  void set_current_zone(Zone* zone) { current_zone_ = zone; }
   static intptr_t current_zone_offset() {
     return OFFSET_OF(Isolate, current_zone_);
   }
@@ -263,9 +259,7 @@
   Dart_Port main_port_;
   Heap* heap_;
   ObjectStore* object_store_;
-  StackResource* top_resource_;
   RawContext* top_context_;
-  Zone* current_zone_;
 #if defined(DEBUG)
   int32_t no_gc_scope_depth_;
   int32_t no_handle_scope_depth_;