Remove deprecated --flush-code-incrementally flag.

src/heap/mark-compact.cc

 // Copyright 2012 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.
 
 #include "src/v8.h"
 
 #include "src/base/atomicops.h"
 #include "src/base/bits.h"
 #include "src/code-stubs.h"
 #include "src/compilation-cache.h"
@@ skipping 1554 matching lines @@
     MarkObject(code, code_mark);
     if (frame->is_optimized()) {
       MarkCompactMarkingVisitor::MarkInlinedFunctionsCode(heap(),
                                                           frame->LookupCode());
     }
   }
 }
 
 
 void MarkCompactCollector::PrepareForCodeFlushing() {
-  // Enable code flushing for non-incremental cycles.
-  if (FLAG_flush_code && !FLAG_flush_code_incrementally) {
-    EnableCodeFlushing(!was_marked_incrementally_);
-  }
-
   // If code flushing is disabled, there is no need to prepare for it.
   if (!is_code_flushing_enabled()) return;
 
   // Ensure that empty descriptor array is marked. Method MarkDescriptorArray
   // relies on it being marked before any other descriptor array.
   HeapObject* descriptor_array = heap()->empty_descriptor_array();
   MarkBit descriptor_array_mark = Marking::MarkBitFrom(descriptor_array);
   MarkObject(descriptor_array, descriptor_array_mark);
 
   // Make sure we are not referencing the code from the stack.
@@ skipping 711 matching lines @@
   MarkCompactWeakObjectRetainer mark_compact_object_retainer;
   heap()->ProcessAllWeakReferences(&mark_compact_object_retainer);
 
   // Remove object groups after marking phase.
   heap()->isolate()->global_handles()->RemoveObjectGroups();
   heap()->isolate()->global_handles()->RemoveImplicitRefGroups();
 
   // Flush code from collected candidates.
   if (is_code_flushing_enabled()) {
     code_flusher_->ProcessCandidates();
-    // If incremental marker does not support code flushing, we need to
-    // disable it before incremental marking steps for next cycle.
-    if (FLAG_flush_code && !FLAG_flush_code_incrementally) {
-      EnableCodeFlushing(false);
-    }
   }
 
   if (FLAG_track_gc_object_stats) {
     if (FLAG_trace_gc_object_stats) {
       heap()->TraceObjectStats();
     }
     heap()->CheckpointObjectStats();
   }
 }
 
@@ skipping 2309 matching lines @@
   SlotsBuffer* buffer = *buffer_address;
   while (buffer != NULL) {
     SlotsBuffer* next_buffer = buffer->next();
     DeallocateBuffer(buffer);
     buffer = next_buffer;
   }
   *buffer_address = NULL;
 }
 }  // namespace internal
 }  // namespace v8