--- a/layout/base/nsDocumentViewer.cpp
+++ b/layout/base/nsDocumentViewer.cpp
@@ -1757,16 +1757,20 @@ DocumentViewerImpl::SetDocumentInternal(
                                         PRBool aForceReuseInnerWindow)
 {
 
   // Set new container
   nsCOMPtr<nsISupports> container = do_QueryReferent(mContainer);
   aDocument->SetContainer(container);
 
   if (mDocument != aDocument) {
+    if (mDocument->IsStaticDocument()) {
+      mDocument->SetScriptGlobalObject(nsnull);
+      mDocument->Destroy();
+    }
     // Replace the old document with the new one. Do this only when
     // the new document really is a new document.
     mDocument = aDocument;
 
     // Set the script global object on the new document
     nsCOMPtr<nsPIDOMWindow> window = do_GetInterface(container);
     if (window) {
       window->SetNewDocument(aDocument, nsnull, aForceReuseInnerWindow);

--- a/layout/printing/nsPrintData.cpp
+++ b/layout/printing/nsPrintData.cpp
@@ -69,17 +69,17 @@ nsPrintData::nsPrintData(ePrintDataType 
   mPrintDocList(nsnull), mIsIFrameSelected(PR_FALSE),
   mIsParentAFrameSet(PR_FALSE), mOnStartSent(PR_FALSE),
   mIsAborted(PR_FALSE), mPreparingForPrint(PR_FALSE), mDocWasToBeDestroyed(PR_FALSE),
   mShrinkToFit(PR_FALSE), mPrintFrameType(nsIPrintSettings::kFramesAsIs), 
   mNumPrintablePages(0), mNumPagesPrinted(0),
   mShrinkRatio(1.0), mOrigDCScale(1.0), mPPEventListeners(NULL), 
   mBrandName(nsnull)
 {
-
+  MOZ_COUNT_CTOR(nsPrintData);
   nsCOMPtr<nsIStringBundle> brandBundle;
   nsCOMPtr<nsIStringBundleService> svc =
     mozilla::services::GetStringBundleService();
   if (svc) {
     svc->CreateBundle( "chrome://branding/locale/brand.properties", getter_AddRefs( brandBundle ) );
     if (brandBundle) {
       brandBundle->GetStringFromName(NS_LITERAL_STRING("brandShortName").get(), &mBrandName );
     }
@@ -88,16 +88,17 @@ nsPrintData::nsPrintData(ePrintDataType 
   if (!mBrandName) {
     mBrandName = ToNewUnicode(NS_LITERAL_STRING("Mozilla Document"));
   }
 
 }
 
 nsPrintData::~nsPrintData()
 {
+  MOZ_COUNT_DTOR(nsPrintData);
   // remove the event listeners
   if (mPPEventListeners) {
     mPPEventListeners->RemoveListeners();
     NS_RELEASE(mPPEventListeners);
   }
 
   // Only Send an OnEndPrinting if we have started printing
   if (mOnStartSent && mType != eIsPrintPreview) {

--- a/layout/printing/nsPrintObject.cpp
+++ b/layout/printing/nsPrintObject.cpp
@@ -50,21 +50,23 @@
 //-- nsPrintObject Class Impl
 //---------------------------------------------------
 nsPrintObject::nsPrintObject() :
   mContent(nsnull), mFrameType(eFrame), mParent(nsnull),
   mHasBeenPrinted(PR_FALSE), mDontPrint(PR_TRUE), mPrintAsIs(PR_FALSE),
   mSharedPresShell(PR_FALSE), mInvisible(PR_FALSE), mDidCreateDocShell(PR_FALSE),
   mShrinkRatio(1.0), mZoomRatio(1.0)
 {
+  MOZ_COUNT_CTOR(nsPrintObject);
 }
 
 
 nsPrintObject::~nsPrintObject()
 {
+  MOZ_COUNT_DTOR(nsPrintObject);
   for (PRUint32 i=0;i<mKids.Length();i++) {
     nsPrintObject* po = mKids[i];
     delete po;
   }
 
   DestroyPresentation();
   if (mDidCreateDocShell && mDocShell) {
     nsCOMPtr<nsIBaseWindow> baseWin(do_QueryInterface(mDocShell));