Thread/Isolate refactoring: new(Isolate) -> new(Zone)

runtime/vm/coverage.cc

 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/coverage.h"
 
 #include "include/dart_api.h"
 
 #include "vm/compiler.h"
 #include "vm/isolate.h"
@@ skipping 37 matching lines @@
       cur_line++;
     }
     tkit.Advance();
   }
 }
 
 
 void CodeCoverage::CompileAndAdd(const Function& function,
                                  const JSONArray& hits_arr,
                                  const GrowableArray<intptr_t>& pos_to_line) {
-  Isolate* isolate = Isolate::Current();
+  Thread* thread = Thread::Current();
+  Zone* zone = thread->zone();
+  Isolate* isolate = thread->isolate();
   if (!function.HasCode()) {
     // If the function should not be compiled or if the compilation failed,
     // then just skip this method.
     // TODO(iposva): Maybe we should skip synthesized methods in general too.
     if (function.is_abstract() || function.IsRedirectingFactory()) {
       return;
     }
     if (function.IsNonImplicitClosureFunction() &&
         (function.context_scope() == ContextScope::null())) {
       // TODO(iposva): This can arise if we attempt to compile an inner function
       // before we have compiled its enclosing function or if the enclosing
       // function failed to compile.
       return;
     }
     const Error& err = Error::Handle(
-        isolate, Compiler::CompileFunction(isolate, function));
+        zone, Compiler::CompileFunction(thread, function));
     if (!err.IsNull()) {
       return;
     }
   }
   ASSERT(function.HasCode());
 
   // Print the hit counts for all IC datas.
   ZoneGrowableArray<const ICData*>* ic_data_array =
-      new(isolate) ZoneGrowableArray<const ICData*>();
+      new(zone) ZoneGrowableArray<const ICData*>();
   function.RestoreICDataMap(ic_data_array);
   const Code& code = Code::Handle(function.unoptimized_code());
   const PcDescriptors& descriptors = PcDescriptors::Handle(
       code.pc_descriptors());
 
   const intptr_t begin_pos = function.token_pos();
   const intptr_t end_pos = function.end_token_pos();
   intptr_t last_line = -1;
   intptr_t last_count = 0;
   // Only IC based calls have counting.
@@ skipping 186 matching lines @@
         cls = it.GetNextClass();
         ASSERT(!cls.IsNull());
         PrintClass(lib, cls, jsarr, filter);
       }
     }
   }
 }
 
 
 }  // namespace dart