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

src/profiler/heap-snapshot-generator.h

 // Copyright 2013 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_SNAPSHOT_GENERATOR_H_
 #define V8_PROFILER_HEAP_SNAPSHOT_GENERATOR_H_
 
 #include "include/v8-profiler.h"
 #include "src/base/platform/time.h"
 #include "src/objects.h"
@@ skipping 32 matching lines @@
     return index_;
   }
   const char* name() const {
     DCHECK(type() == kContextVariable || type() == kProperty ||
            type() == kInternal || type() == kShortcut || type() == kWeak);
     return name_;
   }
   INLINE(HeapEntry* from() const);
   HeapEntry* to() const { return to_entry_; }
 
+  INLINE(Isolate* isolate() const);
+
  private:
   INLINE(HeapSnapshot* snapshot() const);
   int from_index() const { return FromIndexField::decode(bit_field_); }
 
   class TypeField : public BitField<Type, 0, 3> {};
   class FromIndexField : public BitField<int, 3, 29> {};
   uint32_t bit_field_;
   union {
     // During entries population |to_index_| is used for storing the index,
     // afterwards it is replaced with a pointer to the entry.
@@ skipping 45 matching lines @@
   size_t self_size() { return self_size_; }
   unsigned trace_node_id() const { return trace_node_id_; }
   INLINE(int index() const);
   int children_count() const { return children_count_; }
   INLINE(int set_children_index(int index));
   void add_child(HeapGraphEdge* edge) {
     children_arr()[children_count_++] = edge;
   }
   Vector<HeapGraphEdge*> children() {
     return Vector<HeapGraphEdge*>(children_arr(), children_count_); }
+  INLINE(Isolate* isolate() const);
 
   void SetIndexedReference(
       HeapGraphEdge::Type type, int index, HeapEntry* entry);
   void SetNamedReference(
       HeapGraphEdge::Type type, const char* name, HeapEntry* entry);
 
   void Print(
       const char* prefix, const char* edge_name, int max_depth, int indent);
 
  private:
@@ skipping 489 matching lines @@
   friend class HeapSnapshotJSONSerializerIterator;
 
   DISALLOW_COPY_AND_ASSIGN(HeapSnapshotJSONSerializer);
 };
 
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_PROFILER_HEAP_SNAPSHOT_GENERATOR_H_