Revert of Track how many pages trigger fallback strategies in GC

Revert of Track how many pages trigger fallback strategies in GC (patchset #2 id:20001 of https://codereview.chromium.org/1029323003/)

Reason for revert:
This seems to cause lots of crashes in layout tests debug:
../../third_party/WebKit/Source/bindings/core/v8/V8PerIsolateData.cpp(67) : void blink::useCounterCallback(v8::Isolate *, v8::Isolate::UseCounte

http://build.chromium.org/p/client.v8/builders/V8-Blink%20Linux%2064%20%28dbg%29/builds/2332

Original issue's description:
> Track how many pages trigger fallback strategies in GC
>
> R=hpayer@chromium.org
> BUG=
>
> Committed: https://crrev.com/bb880058f6499510cff12d98dc7d524d35d769cb
> Cr-Commit-Position: refs/heads/master@{#27421}

TBR=hpayer@chromium.org,erikcorry@chromium.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=

Committed: https://crrev.com/96cfadd505ecd8337c689442f189ddfd840b3798
Cr-Commit-Position: refs/heads/master@{#27427}

[Michael Achenbach, 2015-03-24 21:57:26]

Created Revert of Track how many pages trigger fallback strategies in GC

[commit-bot: I haz the power, 2015-03-24 21:57:43]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1000523003/1

[commit-bot: I haz the power, 2015-03-24 21:57:51]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2015-03-24 21:57:52]

Failed to apply patch for src/heap/mark-compact.h:
While running git apply --index -3 -p1;
  error: patch failed: src/heap/mark-compact.h:673
  Falling back to three-way merge...
  Applied patch to 'src/heap/mark-compact.h' with conflicts.
  U src/heap/mark-compact.h

Patch:       src/heap/mark-compact.h
Index: src/heap/mark-compact.h
diff --git a/src/heap/mark-compact.h b/src/heap/mark-compact.h
index
9e2730a205ac4328d8f6f68818abe173d4ab699c..ddb993f5a2f676491e732da2a1a39cae26c48b59
100644
--- a/src/heap/mark-compact.h
+++ b/src/heap/mark-compact.h
@@ -589,6 +589,27 @@
         ->IsEvacuationCandidate();
   }
 
+  INLINE(void EvictEvacuationCandidate(Page* page)) {
+    if (FLAG_trace_fragmentation) {
+      PrintF("Page %p is too popular. Disabling evacuation.\n",
+             reinterpret_cast<void*>(page));
+    }
+
+    // TODO(gc) If all evacuation candidates are too popular we
+    // should stop slots recording entirely.
+    page->ClearEvacuationCandidate();
+
+    // We were not collecting slots on this page that point
+    // to other evacuation candidates thus we have to
+    // rescan the page after evacuation to discover and update all
+    // pointers to evacuated objects.
+    if (page->owner()->identity() == OLD_DATA_SPACE) {
+      evacuation_candidates_.RemoveElement(page);
+    } else {
+      page->SetFlag(Page::RESCAN_ON_EVACUATION);
+    }
+  }
+
   void RecordRelocSlot(RelocInfo* rinfo, Object* target);
   void RecordCodeEntrySlot(Address slot, Code* target);
   void RecordCodeTargetPatch(Address pc, Code* target);
@@ -673,7 +694,6 @@
   bool WillBeDeoptimized(Code* code);
   void RemoveDeadInvalidatedCode();
   void ProcessInvalidatedCode(ObjectVisitor* visitor);
-  void EvictEvacuationCandidate(Page* page);
 
   void StartSweeperThreads();

[commit-bot: I haz the power, 2015-03-24 21:57:56]

The CQ bit was unchecked by commit-bot@chromium.org

[Michael Achenbach, 2015-03-24 22:01:54]

The CQ bit was checked by machenbach@chromium.org

[commit-bot: I haz the power, 2015-03-24 22:02:06]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1000523003/1

[commit-bot: I haz the power, 2015-03-24 22:02:33]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-03-24 22:02:45]

Patchset 1 (id:??) landed as
https://crrev.com/96cfadd505ecd8337c689442f189ddfd840b3798
Cr-Commit-Position: refs/heads/master@{#27427}