[IndexedDB] Propogating changes to observers : Renderer

third_party/WebKit/Source/modules/indexeddb/WebIDBObserverImpl.cpp

Index: third_party/WebKit/Source/modules/indexeddb/WebIDBObserverImpl.cpp
diff --git a/third_party/WebKit/Source/modules/indexeddb/WebIDBObserverImpl.cpp b/third_party/WebKit/Source/modules/indexeddb/WebIDBObserverImpl.cpp
index e55179c0147f24cd02fe55fc123a1a4b430958a5..3610e284300e18bc3879f0e27cc4158f5083ac62 100644
--- a/third_party/WebKit/Source/modules/indexeddb/WebIDBObserverImpl.cpp
+++ b/third_party/WebKit/Source/modules/indexeddb/WebIDBObserverImpl.cpp
@@ -24,8 +24,8 @@ WebIDBObserverImpl::WebIDBObserverImpl(IDBObserver* observer)
 // Remove observe call id from IDBObserver.
 WebIDBObserverImpl::~WebIDBObserverImpl()
 {
-    DCHECK_NE(kInvalidObserverId, m_id);
-    m_observer->removeObserver(m_id);
+    if (m_id != kInvalidObserverId)
+        m_observer->removeObserver(m_id);
 }
 
 void WebIDBObserverImpl::setId(int32_t id)