Move CHA state keeping from Isolate to Thread.

runtime/vm/growable_array.h

 // Copyright (c) 2012, 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.
 // Defines growable array classes, that differ where they are allocated:
 // - GrowableArray: allocated on stack.
 // - ZoneGrowableArray: allocated in the zone.
 // - MallocGrowableArray: allocates using malloc/realloc; free is only called
 //   at destruction.
 
 #ifndef VM_GROWABLE_ARRAY_H_
@@ skipping 128 matching lines @@
     data_ = new_data;
     capacity_ = new_length;
   }
   length_ = new_length;
 }
 
 
 template<typename T>
 class GrowableArray : public BaseGrowableArray<T, ValueObject> {
  public:
-  GrowableArray(Isolate* isolate, intptr_t initial_capacity)
+  GrowableArray(Zone* zone, intptr_t initial_capacity)
       : BaseGrowableArray<T, ValueObject>(
-          initial_capacity, ASSERT_NOTNULL(isolate->current_zone())) {}
+          initial_capacity, ASSERT_NOTNULL(zone)) {}
   explicit GrowableArray(intptr_t initial_capacity)
       : BaseGrowableArray<T, ValueObject>(
           initial_capacity,
           ASSERT_NOTNULL(Isolate::Current()->current_zone())) {}
   GrowableArray()
       : BaseGrowableArray<T, ValueObject>(
           ASSERT_NOTNULL(Isolate::Current()->current_zone())) {}
 };
 
 
 template<typename T>
 class ZoneGrowableArray : public BaseGrowableArray<T, ZoneAllocated> {
  public:
-  ZoneGrowableArray(Isolate* isolate, intptr_t initial_capacity)
+  ZoneGrowableArray(Zone* zone, intptr_t initial_capacity)
       : BaseGrowableArray<T, ZoneAllocated>(
-          initial_capacity, ASSERT_NOTNULL(isolate->current_zone())) {}
+          initial_capacity, ASSERT_NOTNULL(zone)) {}
   explicit ZoneGrowableArray(intptr_t initial_capacity)
       : BaseGrowableArray<T, ZoneAllocated>(
           initial_capacity,
           ASSERT_NOTNULL(Isolate::Current()->current_zone())) {}
   ZoneGrowableArray()
       : BaseGrowableArray<T, ZoneAllocated>(
           ASSERT_NOTNULL(Isolate::Current()->current_zone())) {}
 };
 
 
@@ skipping 24 matching lines @@
  public:
   explicit MallocGrowableArray(intptr_t initial_capacity)
       : BaseGrowableArray<T, EmptyBase, Malloc>(initial_capacity, NULL) {}
   MallocGrowableArray()
       : BaseGrowableArray<T, EmptyBase, Malloc>(NULL) {}
 };
 
 }  // namespace dart
 
 #endif  // VM_GROWABLE_ARRAY_H_