Destroy frame properties right after destroying the frame tree so they're destroyed before the style set. (Bug 399994) r=roc
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c01d6ecc8b
Коммит
871aea6622
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@ -0,0 +1,11 @@
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<html class="reftest-print">
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<head>
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</head>
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<body>
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<div style="display: table; position: fixed;">
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<div style="display: table-row; page-break-after: always;"></div>
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<div style="display: table-row;"></div>
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</div>
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</body>
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</html>
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@ -171,6 +171,7 @@ load 399687-1.html
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load 399940-1.xhtml
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load 399946-1.xhtml
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load 399951-1.html
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load 399994-1.html
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load 400185-1.xul
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load 400445-1.xhtml
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load 400904-1.xhtml
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@ -2036,6 +2036,19 @@ PresShell::Destroy()
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mFrameConstructor->WillDestroyFrameTree();
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FrameManager()->Destroy();
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// Destroy all frame properties (whose destruction was suppressed
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// while destroying the frame tree, but which might contain more
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// frames within the properties.
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if (mPresContext) {
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// Clear out the prescontext's property table -- since our frame tree is
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// now dead, we shouldn't be looking up any more properties in that table.
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// We want to do this before we call SetShell() on the prescontext, so
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// property destructors can usefully call GetPresShell() on the
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// prescontext.
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mPresContext->PropertyTable()->DeleteAllProperties();
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}
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NS_WARN_IF_FALSE(!mWeakFrames, "Weak frames alive after destroying FrameManager");
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while (mWeakFrames) {
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mWeakFrames->Clear(this);
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@ -2045,13 +2058,6 @@ PresShell::Destroy()
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mStyleSet->Shutdown(mPresContext);
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if (mPresContext) {
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// Clear out the prescontext's property table -- since our frame tree is
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// now dead, we shouldn't be looking up any more properties in that table.
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// We want to do this before we call SetShell() on the prescontext, so
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// property destructors can usefully call GetPresShell() on the
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// prescontext.
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mPresContext->PropertyTable()->DeleteAllProperties();
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// We hold a reference to the pres context, and it holds a weak link back
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// to us. To avoid the pres context having a dangling reference, set its
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// pres shell to NULL
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