Remove the dependency of Zone on Isolate

test/cctest/compiler/test-jump-threading.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/v8.h"
 #include "test/cctest/cctest.h"
 
 #include "src/compiler/instruction.h"
 #include "src/compiler/instruction-codes.h"
 #include "src/compiler/jump-threading.h"
 
 namespace v8 {
 namespace internal {
 namespace compiler {
 
 typedef BasicBlock::RpoNumber RpoNumber;
 
 class TestCode : public HandleAndZoneScope {
  public:
   TestCode()
       : HandleAndZoneScope(),
         blocks_(main_zone()),
-        sequence_(main_zone(), &blocks_),
+        sequence_(main_isolate(), main_zone(), &blocks_),
         rpo_number_(RpoNumber::FromInt(0)),
         current_(NULL) {}
 
   ZoneVector<InstructionBlock*> blocks_;
   InstructionSequence sequence_;
   RpoNumber rpo_number_;
   InstructionBlock* current_;
 
   int Jump(int target) {
     Start();
@@ skipping 61 matching lines @@
     }
   }
   void Defer() {
     CHECK(current_ == NULL);
     Start(true);
   }
 };
 
 
 void VerifyForwarding(TestCode& code, int count, int* expected) {
-  Zone local_zone(code.main_isolate());
+  Zone local_zone;
   ZoneVector<RpoNumber> result(&local_zone);
   JumpThreading::ComputeForwarding(&local_zone, result, &code.sequence_);
 
   CHECK(count == static_cast<int>(result.size()));
   for (int i = 0; i < count; i++) {
     CHECK(expected[i] == result[i].ToInt());
   }
 }
 
 
@@ skipping 639 matching lines @@
         for (int k = 4; k < 5; k++) assembly[k]--;
       }
       CheckAssemblyOrder(code, 5, assembly);
     }
   }
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8