Reland: Reland: Implement new Blink IDL attribute [SetReference]

Source/core/testing/Internals.cpp

Index: Source/core/testing/Internals.cpp
diff --git a/Source/core/testing/Internals.cpp b/Source/core/testing/Internals.cpp
index 9bf0518789a7975968df1f5739340519ecfbf542..e8d630783453996f22c3049ff7415a52d448df75 100644
--- a/Source/core/testing/Internals.cpp
+++ b/Source/core/testing/Internals.cpp
@@ -210,6 +210,7 @@ Internals::Internals(Document* document)
     : ContextLifecycleObserver(document)
     , m_runtimeFlags(InternalRuntimeFlags::create())
     , m_scrollingCoordinator(document->page() ? document->page()->scrollingCoordinator() : 0)
+    , m_gcWithoutContextTimer(this, &Internals::garbageCollectV8WithoutContextTimerFired)
 {
 }
 
@@ -2279,4 +2280,16 @@ bool Internals::loseSharedGraphicsContext3D()
     return true;
 }
 
+void Internals::garbageCollectV8WithoutContext()
+{
+    m_gcWithoutContextTimer.startOneShot(0);
+}
+
+void Internals::garbageCollectV8WithoutContextTimerFired(Timer<Internals>*)
+{
+    const int largeEnoughValueToTriggerMajorGC = 10000;
+    for (int i = 0; i < 100; ++i)
+        v8::V8::IdleNotification(largeEnoughValueToTriggerMajorGC);

[haraken, 2013/10/25 08:54:12]

This looks fragile. Probably you can use V8GCController::collectGarbage to
trigger a major GC.

+}
+
 }