Index: third_party/WebKit/Source/core/fetch/Resource.cpp |
diff --git a/third_party/WebKit/Source/core/fetch/Resource.cpp b/third_party/WebKit/Source/core/fetch/Resource.cpp |
index 2f31ccdcf511baaefd669bfbc6c789223d69428f..8bd7d64800e99597db1e03ccd947c856ab66723c 100644 |
--- a/third_party/WebKit/Source/core/fetch/Resource.cpp |
+++ b/third_party/WebKit/Source/core/fetch/Resource.cpp |
@@ -313,6 +313,7 @@ Resource::Resource(const ResourceRequest& request, |
m_linkPreload(false), |
m_isRevalidating(false), |
m_isAlive(false), |
+ m_isAddRemoveClientProhibited(false), |
m_options(options), |
m_responseTimestamp(currentTime()), |
m_cancelTimer(this, &Resource::cancelTimerFired), |
@@ -687,6 +688,8 @@ void Resource::willAddClientOrObserver(PreloadReferencePolicy policy) { |
void Resource::addClient(ResourceClient* client, |
PreloadReferencePolicy policy) { |
+ CHECK(!m_isAddRemoveClientProhibited); |
+ |
willAddClientOrObserver(policy); |
if (m_isRevalidating) { |
@@ -710,6 +713,8 @@ void Resource::addClient(ResourceClient* client, |
} |
void Resource::removeClient(ResourceClient* client) { |
+ CHECK(!m_isAddRemoveClientProhibited); |
+ |
// This code may be called in a pre-finalizer, where weak members in the |
// HashCountedSet are already swept out. |