Rename MarkCompactCollector::StealMemoryFromSweeperThreads to RefillFreeLists

The swept memory is now collected on the foreground thread, so it's not
stealing the memory from the threads anymore

BUG=v8:3104
R=hpayer@chromium.org
LOG=n

Review URL: https://codereview.chromium.org/143463005

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18710 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/mark-compact.cc

@@ -583,15 +583,14 @@ void MarkCompactCollector::WaitUntilSweepingCompleted() {
     isolate()->sweeper_threads()[i]->WaitForSweeperThread();
   }
   sweeping_pending_ = false;
-  StealMemoryFromSweeperThreads(heap()->paged_space(OLD_DATA_SPACE));
-  StealMemoryFromSweeperThreads(heap()->paged_space(OLD_POINTER_SPACE));
+  RefillFreeLists(heap()->paged_space(OLD_DATA_SPACE));
+  RefillFreeLists(heap()->paged_space(OLD_POINTER_SPACE));
   heap()->paged_space(OLD_DATA_SPACE)->ResetUnsweptFreeBytes();
   heap()->paged_space(OLD_POINTER_SPACE)->ResetUnsweptFreeBytes();
 }
 
 
-intptr_t MarkCompactCollector::
-             StealMemoryFromSweeperThreads(PagedSpace* space) {
+intptr_t MarkCompactCollector::RefillFreeLists(PagedSpace* space) {
   FreeList* free_list = space == heap()->old_pointer_space()
                             ? free_list_old_pointer_space_.get()
                             : free_list_old_data_space_.get();

src/mark-compact.h

@@ -721,7 +721,7 @@ class MarkCompactCollector {
 
   void WaitUntilSweepingCompleted();
 
-  intptr_t StealMemoryFromSweeperThreads(PagedSpace* space);
+  intptr_t RefillFreeLists(PagedSpace* space);
 
   bool AreSweeperThreadsActivated();
 

src/spaces.cc

@@ -2612,7 +2612,7 @@ bool PagedSpace::EnsureSweeperProgress(intptr_t size_in_bytes) {
   MarkCompactCollector* collector = heap()->mark_compact_collector();
   if (collector->AreSweeperThreadsActivated()) {
     if (collector->IsConcurrentSweepingInProgress()) {
-      if (collector->StealMemoryFromSweeperThreads(this) < size_in_bytes) {
+      if (collector->RefillFreeLists(this) < size_in_bytes) {
         if (!collector->sequential_sweeping()) {
           collector->WaitUntilSweepingCompleted();
           return true;