Remove the dependency of Zone on Isolate

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

Index: test/unittests/compiler/instruction-selector-unittest.cc
diff --git a/test/unittests/compiler/instruction-selector-unittest.cc b/test/unittests/compiler/instruction-selector-unittest.cc
index b1c9073164d8c18e6061b493bfe08ce71cb1e12d..c9ade528b790e37ac037ae32d2d4db9c792bc624 100644
--- a/test/unittests/compiler/instruction-selector-unittest.cc
+++ b/test/unittests/compiler/instruction-selector-unittest.cc
@@ -36,10 +36,11 @@ InstructionSelectorTest::Stream InstructionSelectorTest::StreamBuilder::Build(
   }
   size_t const node_count = graph()->NodeCount();
   EXPECT_NE(0u, node_count);
-  Linkage linkage(test_->zone(), call_descriptor());
+  Linkage linkage(test_->isolate(), test_->zone(), call_descriptor());
   InstructionBlocks* instruction_blocks =
       InstructionSequence::InstructionBlocksFor(test_->zone(), schedule);
-  InstructionSequence sequence(test_->zone(), instruction_blocks);
+  InstructionSequence sequence(test_->isolate(), test_->zone(),
+                               instruction_blocks);
   SourcePositionTable source_position_table(graph());
   InstructionSelector selector(test_->zone(), node_count, &linkage, &sequence,
                                schedule, &source_position_table, features);