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-rw-r--r--dom/ipc/ContentParent.cpp15
1 files changed, 11 insertions, 4 deletions
diff --git a/dom/ipc/ContentParent.cpp b/dom/ipc/ContentParent.cpp
index 73621df22..286f1d851 100644
--- a/dom/ipc/ContentParent.cpp
+++ b/dom/ipc/ContentParent.cpp
@@ -3224,11 +3224,15 @@ PPrintingParent*
ContentParent::AllocPPrintingParent()
{
#ifdef NS_PRINTING
- MOZ_ASSERT(!mPrintingParent,
- "Only one PrintingParent should be created per process.");
+ MOZ_RELEASE_ASSERT(!mPrintingParent,
+ "Only one PrintingParent should be created per process.");
// Create the printing singleton for this process.
mPrintingParent = new PrintingParent();
+
+ // Take another reference for IPDL code.
+ mPrintingParent.get()->AddRef();
+
return mPrintingParent.get();
#else
MOZ_ASSERT_UNREACHABLE("Should never be created if no printing.");
@@ -3240,8 +3244,11 @@ bool
ContentParent::DeallocPPrintingParent(PPrintingParent* printing)
{
#ifdef NS_PRINTING
- MOZ_ASSERT(mPrintingParent == printing,
- "Only one PrintingParent should have been created per process.");
+ MOZ_RELEASE_ASSERT(mPrintingParent == printing,
+ "Only one PrintingParent should have been created per process.");
+
+ // Release reference taken for IPDL code.
+ static_cast<PrintingParent*>(printing)->Release();
mPrintingParent = nullptr;
#else