Remove easy to remove calls to Isolate::Current() from api.cc

src/profiler/heap-profiler.h

 // Copyright 2009-2010 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.
 
 #ifndef V8_PROFILER_HEAP_PROFILER_H_
 #define V8_PROFILER_HEAP_PROFILER_H_
 
 #include "src/base/smart-pointers.h"
 #include "src/isolate.h"
 #include "src/list.h"
@@ skipping 48 matching lines @@
   void SetRetainedObjectInfo(UniqueId id, RetainedObjectInfo* info);
 
   bool is_tracking_object_moves() const { return is_tracking_object_moves_; }
   bool is_tracking_allocations() const {
     return !allocation_tracker_.is_empty();
   }
 
   Handle<HeapObject> FindHeapObjectById(SnapshotObjectId id);
   void ClearHeapObjectMap();
 
+  Isolate* isolate() const { return heap()->isolate(); }
+
  private:
   Heap* heap() const;
 
   // Mapping from HeapObject addresses to objects' uids.
   base::SmartPointer<HeapObjectsMap> ids_;
   List<HeapSnapshot*> snapshots_;
   base::SmartPointer<StringsStorage> names_;
   List<v8::HeapProfiler::WrapperInfoCallback> wrapper_callbacks_;
   base::SmartPointer<AllocationTracker> allocation_tracker_;
   bool is_tracking_object_moves_;
   base::Mutex profiler_mutex_;
 };
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_PROFILER_HEAP_PROFILER_H_