Revert "deprecate Context::New which returns Persistent"

test/cctest/test-random.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // 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.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 21 matching lines @@
 #include "v8.h"
 
 #include "cctest.h"
 #include "compiler.h"
 #include "execution.h"
 #include "isolate.h"
 
 
 using namespace v8::internal;
 
+static v8::Persistent<v8::Context> env;
+
 
 void SetSeeds(Handle<ByteArray> seeds, uint32_t state0, uint32_t state1) {
   for (int i = 0; i < 4; i++) {
     seeds->set(i, static_cast<byte>(state0 >> (i * kBitsPerByte)));
     seeds->set(i + 4, static_cast<byte>(state1 >> (i * kBitsPerByte)));
   }
 }
 
 
 void TestSeeds(Handle<JSFunction> fun,
@@ skipping 12 matching lines @@
   double crankshaft_value = HeapNumber::cast(*value)->value();
 
   SetSeeds(seeds, state0, state1);
   V8::FillHeapNumberWithRandom(*value, *context);
   double runtime_value = HeapNumber::cast(*value)->value();
   CHECK_EQ(runtime_value, crankshaft_value);
 }
 
 
 TEST(CrankshaftRandom) {
-  v8::V8::Initialize();
+  if (env.IsEmpty()) env = v8::Context::New();
   // Skip test if crankshaft is disabled.
   if (!V8::UseCrankshaft()) return;
-  v8::Isolate* isolate = v8::Isolate::GetCurrent();
-  v8::HandleScope scope(isolate);
-  v8::Context::Scope context_scope(v8::Context::New(isolate));
+  v8::HandleScope scope(env->GetIsolate());
+  env->Enter();
 
   Handle<Context> context(Isolate::Current()->context());
   Handle<JSObject> global(context->global_object());
   Handle<ByteArray> seeds(context->random_seed());
   bool has_pending_exception;
 
   CompileRun("function f() { return Math.random(); }");
 
   Object* string = FACTORY->InternalizeOneByteString(STATIC_ASCII_VECTOR("f"))->
       ToObjectChecked();
@@ skipping 13 matching lines @@
 
   // Test that we bail out to runtime when seeds are uninitialized (zeros).
   SetSeeds(seeds, 0, 0);
   Handle<Object> value =
       Execution::Call(fun, global, 0, NULL, &has_pending_exception);
   CHECK(value->IsHeapNumber());
   CHECK(fun->IsOptimized());
   double crankshaft_value = HeapNumber::cast(*value)->value();
   CHECK_NE(0.0, crankshaft_value);
 }