Introduce V8GCController::collectAllGarbage

Source/web/WebLeakDetector.cpp

 /*
  * Copyright (C) 2014 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 33 matching lines @@
 #include "core/workers/WorkerThread.h"
 #include "modules/webaudio/AudioNode.h"
 #include "platform/Timer.h"
 #include "public/web/WebDocument.h"
 #include "public/web/WebLocalFrame.h"
 
 namespace blink {
 
 namespace {
 
-// FIXME: Oilpan: It may take multiple GC to collect on-heap objects referenced from off-heap objects.
-// Please see comment in Heap::collectAllGarbage()
-static const int kNumberOfGCsToClaimChains = 5;
-
 class WebLeakDetectorImpl final : public WebLeakDetector {
 WTF_MAKE_NONCOPYABLE(WebLeakDetectorImpl);
 public:
     explicit WebLeakDetectorImpl(WebLeakDetectorClient* client)
         : m_client(client)
         , m_delayedGCAndReportTimer(this, &WebLeakDetectorImpl::delayedGCAndReport)
         , m_delayedReportTimer(this, &WebLeakDetectorImpl::delayedReport)
         , m_numberOfGCNeeded(0)
     {
         ASSERT(m_client);
@@ skipping 29 matching lines @@
     memoryCache()->evictResources();
 
     {
         RefPtrWillBeRawPtr<Document> document = PassRefPtrWillBeRawPtr<Document>(frame->document());
         if (ResourceFetcher* fetcher = document->fetcher())
             fetcher->garbageCollectDocumentResources();
     }
 
     // FIXME: HTML5 Notification should be closed because notification affects the result of number of DOM objects.
 
-    for (int i = 0; i < kNumberOfGCsToClaimChains; ++i)
-        V8GCController::collectGarbage(isolate);
+    V8GCController::collectAllGarbageForTesting(isolate);
     // Note: Oilpan precise GC is scheduled at the end of the event loop.
 
     // Task queue may contain delayed object destruction tasks.
     // This method is called from navigation hook inside FrameLoader,
     // so previous document is still held by the loader until the next event loop.
     // Complete all pending tasks before proceeding to gc.
     m_numberOfGCNeeded = 2;
     m_delayedGCAndReportTimer.startOneShot(0, FROM_HERE);
 }
 
 void WebLeakDetectorImpl::delayedGCAndReport(Timer<WebLeakDetectorImpl>*)
 {
     // We do a second and third GC here to address flakiness
     // The second GC is necessary as Resource GC may have postponed clean-up tasks to next event loop.
     // The third GC is necessary for cleaning up Document after worker object died.
 
-    for (int i = 0; i < kNumberOfGCsToClaimChains; ++i)
-        V8GCController::collectGarbage(V8PerIsolateData::mainThreadIsolate());
+    V8GCController::collectAllGarbageForTesting(V8PerIsolateData::mainThreadIsolate());
     // Note: Oilpan precise GC is scheduled at the end of the event loop.
 
     // Inspect counters on the next event loop.
     if (--m_numberOfGCNeeded)
         m_delayedGCAndReportTimer.startOneShot(0, FROM_HERE);
     else
         m_delayedReportTimer.startOneShot(0, FROM_HERE);
 }
 
 void WebLeakDetectorImpl::delayedReport(Timer<WebLeakDetectorImpl>*)
@@ skipping 19 matching lines @@
 }
 
 } // namespace
 
 WebLeakDetector* WebLeakDetector::create(WebLeakDetectorClient* client)
 {
     return new WebLeakDetectorImpl(client);
 }
 
 } // namespace blink