remove most V8_ALLOW_ACCESS_TO_* defines from test classes

test/cctest/cctest.cc

 // Copyright 2008 the V8 project authors. All rights reserved.
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 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
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-#define V8_ALLOW_ACCESS_TO_PERSISTENT_IMPLICIT
-#define V8_ALLOW_ACCESS_TO_PERSISTENT_ARROW
-
 #include <v8.h>
 #include "cctest.h"
 #include "debug.h"
 
 
 CcTest* CcTest::last_ = NULL;
 
 
 CcTest::CcTest(TestFunction* callback, const char* file, const char* name,
                const char* dependency, bool enabled)
@@ skipping 22 matching lines @@
 v8::Persistent<v8::Context> CcTest::context_;
 
 
 void CcTest::InitializeVM(CcTestExtensionFlags extensions) {
   const char* extension_names[kMaxExtensions];
   int extension_count = 0;
 #define CHECK_EXTENSION_FLAG(Name, Id) \
   if (extensions.Contains(Name##_ID)) extension_names[extension_count++] = Id;
   EXTENSION_LIST(CHECK_EXTENSION_FLAG)
 #undef CHECK_EXTENSION_FLAG
+  v8::Isolate* isolate = default_isolate();
   if (context_.IsEmpty()) {
-    v8::Isolate* isolate = default_isolate();
     v8::HandleScope scope(isolate);
     v8::ExtensionConfiguration config(extension_count, extension_names);
     v8::Local<v8::Context> context = v8::Context::New(isolate, &config);
-    context_ = v8::Persistent<v8::Context>::New(isolate, context);
+    context_.Reset(isolate, context);
   }
-  context_->Enter();
+  {
+    v8::HandleScope scope(isolate);
+    v8::Local<v8::Context> context =
+        v8::Local<v8::Context>::New(isolate, context_);
+    context->Enter();
+  }
 }
 
 
 static void PrintTestList(CcTest* current) {
   if (current == NULL) return;
   PrintTestList(current->prev());
   if (current->dependency() != NULL) {
     printf("%s/%s<%s\n",
            current->file(), current->name(), current->dependency());
   } else {
@@ skipping 57 matching lines @@
     }
   }
   if (print_run_count && tests_run != 1)
     printf("Ran %i tests.\n", tests_run);
   v8::V8::Dispose();
   return 0;
 }
 
 RegisterThreadedTest *RegisterThreadedTest::first_ = NULL;
 int RegisterThreadedTest::count_ = 0;