Remove the dependency of Zone on Isolate

test/unittests/compiler/instruction-sequence-unittest.cc

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/base/utils/random-number-generator.h"
 #include "src/compiler/pipeline.h"
 #include "test/unittests/compiler/instruction-sequence-unittest.h"
 #include "test/unittests/test-utils.h"
 #include "testing/gmock/include/gmock/gmock.h"
 
@@ skipping 51 matching lines @@
     config_.Reset(new RegisterConfiguration(
         num_general_registers_, num_double_registers_, num_double_registers_,
         general_register_names_, double_register_names_));
   }
   return config_.get();
 }
 
 
 InstructionSequence* InstructionSequenceTest::sequence() {
   if (sequence_ == nullptr) {
-    sequence_ = new (zone()) InstructionSequence(zone(), &instruction_blocks_);
+    sequence_ = new (zone())
+        InstructionSequence(isolate(), zone(), &instruction_blocks_);
   }
   return sequence_;
 }
 
 
 void InstructionSequenceTest::StartLoop(int loop_blocks) {
   CHECK(current_block_ == nullptr);
   if (!loop_blocks_.empty()) {
     CHECK(!loop_blocks_.back().loop_header_.IsValid());
   }
@@ skipping 383 matching lines @@
 
 int InstructionSequenceTest::AddInstruction(int instruction_index,
                                             Instruction* instruction) {
   sequence()->AddInstruction(instruction);
   return instruction_index;
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8