Move reusable handles from isolate to thread.

runtime/vm/native_entry.cc

 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/native_entry.h"
 
 #include "include/dart_api.h"
 
 #include "vm/bootstrap.h"
 #include "vm/code_patcher.h"
@@ skipping 38 matching lines @@
       library.native_entry_symbol_resolver();
   if (symbol_resolver == 0) {
     // Cannot reverse lookup native entries.
     return NULL;
   }
   return symbol_resolver(reinterpret_cast<Dart_NativeFunction>(pc));
 }
 
 
 const uint8_t* NativeEntry::ResolveSymbol(uword pc) {
-  Isolate* isolate = Isolate::Current();
-  REUSABLE_GROWABLE_OBJECT_ARRAY_HANDLESCOPE(isolate);
+  Thread* thread = Thread::Current();
+  REUSABLE_GROWABLE_OBJECT_ARRAY_HANDLESCOPE(thread);
   GrowableObjectArray& libs = reused_growable_object_array_handle.Handle();
-  libs ^= isolate->object_store()->libraries();
+  libs ^= thread->isolate()->object_store()->libraries();
   ASSERT(!libs.IsNull());
   intptr_t num_libs = libs.Length();
   for (intptr_t i = 0; i < num_libs; i++) {
-    REUSABLE_LIBRARY_HANDLESCOPE(isolate);
+    REUSABLE_LIBRARY_HANDLESCOPE(thread);
     Library& lib = reused_library_handle.Handle();
     lib ^= libs.At(i);
     ASSERT(!lib.IsNull());
     const uint8_t* r = ResolveSymbolInLibrary(lib, pc);
     if (r != NULL) {
       return r;
     }
   }
   return NULL;
 }
@@ skipping 191 matching lines @@
   if (call_through_wrapper) {
     NativeEntry::NativeCallWrapper(
         args, reinterpret_cast<Dart_NativeFunction>(target_function));
   } else {
     target_function(arguments);
   }
 }
 
 
 }  // namespace dart