- Remove the unvisited handles code from handles implementation as it is not

runtime/vm/handles_impl.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.
 
 #ifndef VM_HANDLES_IMPL_H_
 #define VM_HANDLES_IMPL_H_
 
 #include "vm/heap.h"
 #include "vm/visitor.h"
 
@@ skipping 31 matching lines @@
     }
     block = block->next_block();
   } while (block != NULL);
   UNREACHABLE();
 }
 
 
 template <int kHandleSizeInWords, int kHandlesPerChunk, int kOffsetOfRawPtr>
 void Handles<kHandleSizeInWords,
              kHandlesPerChunk,
-             kOffsetOfRawPtr>::VisitUnvisitedScopedHandles(
-    ObjectPointerVisitor* visitor) {
-  HandlesBlock* block = &first_scoped_block_;
-  while (block != NULL && block != last_visited_block_) {
-    block->VisitUnvisitedObjectPointers(visitor);
-    block = block->next_block();
-  }
-  // We want this to point to first_scoped_block.next,
-  // Because pointers are still being added to first_scoped_block
-  // So it may be "partially new", and require a partial scan.
-  last_visited_block_ = first_scoped_block_.next_block();
-}
-
-
-template <int kHandleSizeInWords, int kHandlesPerChunk, int kOffsetOfRawPtr>
-void Handles<kHandleSizeInWords,
-             kHandlesPerChunk,
              kOffsetOfRawPtr>::Visit(HandleVisitor* visitor) {
   // Visit all zone handles.
   HandlesBlock* block = zone_blocks_;
   while (block != NULL) {
     block->Visit(visitor);
     block = block->next_block();
   }
 
   // Visit all scoped handles.
   block = &first_scoped_block_;
@@ skipping 253 matching lines @@
   for (intptr_t i = 0; i < next_handle_slot_; i += kHandleSizeInWords) {
     visitor->VisitPointer(
         reinterpret_cast<RawObject**>(&data_[i + kOffsetOfRawPtr/kWordSize]));
   }
 }
 
 
 template <int kHandleSizeInWords, int kHandlesPerChunk, int kOffsetOfRawPtr>
 void Handles<kHandleSizeInWords,
              kHandlesPerChunk,
-             kOffsetOfRawPtr>::HandlesBlock::VisitUnvisitedObjectPointers(
-                 ObjectPointerVisitor* visitor) {
-  ASSERT(visitor != NULL);
-
-  // last_visited_handle_ picks up where we were last time,
-  // so there is nothing in the intialization position of this for loop.
-
-  while (last_visited_handle_ < next_handle_slot_) {
-    last_visited_handle_ += kHandleSizeInWords;
-    uword* addr = &data_[last_visited_handle_ + kOffsetOfRawPtr / kWordSize];
-    visitor->VisitPointer(reinterpret_cast<RawObject**>(addr));
-  }
-}
-
-
-template <int kHandleSizeInWords, int kHandlesPerChunk, int kOffsetOfRawPtr>
-void Handles<kHandleSizeInWords,
-             kHandlesPerChunk,
              kOffsetOfRawPtr>::HandlesBlock::Visit(HandleVisitor* visitor) {
   ASSERT(visitor != NULL);
   for (intptr_t i = 0; i < next_handle_slot_; i += kHandleSizeInWords) {
     visitor->VisitHandle(reinterpret_cast<uword>(&data_[i]));
   }
 }
 
 
 #if defined(DEBUG)
 template <int kHandleSizeInWords, int kHandlesPerChunk, int kOffsetOfRawPtr>
@@ skipping 13 matching lines @@
 template <int kHandleSizeInWords, int kHandlesPerChunk, int kOffsetOfRawPtr>
 int Handles<kHandleSizeInWords,
             kHandlesPerChunk,
             kOffsetOfRawPtr>::HandlesBlock::HandleCount() const {
   return (next_handle_slot_ / kHandleSizeInWords);
 }
 
 }  // namespace dart
 
 #endif  // VM_HANDLES_IMPL_H_