Tidy PendingScript

third_party/WebKit/Source/core/dom/PendingScript.cpp

Index: third_party/WebKit/Source/core/dom/PendingScript.cpp
diff --git a/third_party/WebKit/Source/core/dom/PendingScript.cpp b/third_party/WebKit/Source/core/dom/PendingScript.cpp
index 58e04a51d879f37a31b6f6960e96aa442436d936..7c346a76a856bf78a012bedbd68c901918feb532 100644
--- a/third_party/WebKit/Source/core/dom/PendingScript.cpp
+++ b/third_party/WebKit/Source/core/dom/PendingScript.cpp
@@ -47,11 +47,12 @@ PendingScript::PendingScript(Element* element, ScriptResource* resource)
     , m_client(nullptr)
 {
     setScriptResource(resource);
-    ThreadState::current()->registerPreFinalizer(this);
 }
 
 PendingScript::~PendingScript()
 {
+    // Verify explicit dispose().
+    CHECK(!m_client && !m_element && !m_streamer);
 }
 
 void PendingScript::dispose()
@@ -62,20 +63,6 @@ void PendingScript::dispose()
     releaseElementAndClear();
 }
 
-PendingScript& PendingScript::operator=(const PendingScript& other)
-{
-    if (this == &other)
-        return *this;
-
-    m_watchingForLoad = other.m_watchingForLoad;
-    m_element = other.m_element;
-    m_startingPosition = other.m_startingPosition;
-    m_integrityFailure = other.m_integrityFailure;
-    m_streamer = other.m_streamer;
-    this->ResourceOwner<ScriptResource, ScriptResourceClient>::operator=(other);
-    return *this;
-}
-
 void PendingScript::watchForLoad(ScriptResourceClient* client)
 {
     DCHECK(!m_watchingForLoad);