Remove the dependency of Zone on Isolate

test/cctest/compiler/test-js-typed-lowering.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/compiler/graph-inl.h"
 #include "src/compiler/js-graph.h"
 #include "src/compiler/js-typed-lowering.h"
 #include "src/compiler/machine-operator.h"
 #include "src/compiler/node-properties-inl.h"
 #include "src/compiler/opcodes.h"
 #include "src/compiler/typer.h"
 #include "test/cctest/cctest.h"
 
 using namespace v8::internal;
 using namespace v8::internal::compiler;
 
 class JSTypedLoweringTester : public HandleAndZoneScope {
  public:
   explicit JSTypedLoweringTester(int num_parameters = 0)
       : isolate(main_isolate()),
         binop(NULL),
         unop(NULL),
         javascript(main_zone()),
         machine(main_zone()),
         simplified(main_zone()),
         common(main_zone()),
         graph(main_zone()),
-        typer(&graph, MaybeHandle<Context>()),
+        typer(main_isolate(), &graph, MaybeHandle<Context>()),
         context_node(NULL) {
     graph.SetStart(graph.NewNode(common.Start(num_parameters)));
     graph.SetEnd(graph.NewNode(common.End()));
     typer.Run();
   }
 
   Isolate* isolate;
   const Operator* binop;
   const Operator* unop;
   JSOperatorBuilder javascript;
@@ skipping 29 matching lines @@
 
     Node* state_node =
         graph.NewNode(common.FrameState(JS_FRAME, BailoutId(0),
                                         OutputFrameStateCombine::Ignore()),
                       parameters, locals, stack, context, UndefinedConstant());
 
     return state_node;
   }
 
   Node* reduce(Node* node) {
-    JSGraph jsgraph(&graph, &common, &javascript, &machine);
+    JSGraph jsgraph(main_isolate(), &graph, &common, &javascript, &machine);
     JSTypedLowering reducer(&jsgraph, main_zone());
     Reduction reduction = reducer.Reduce(node);
     if (reduction.Changed()) return reduction.replacement();
     return node;
   }
 
   Node* start() { return graph.start(); }
 
   Node* context() {
     if (context_node == NULL) {
@@ skipping 1191 matching lines @@
           CHECK_EQ(p1, r->InputAt(0));
           CHECK_EQ(p0, r->InputAt(1));
         } else {
           CHECK_EQ(p0, r->InputAt(0));
           CHECK_EQ(p1, r->InputAt(1));
         }
       }
     }
   }
 }