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LibWeb: Make Frame point weakly to Page

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This patch makes Page weakable and allows page-less frames to exist.

Page is single-owner, and Frame is multiple-owner, so it's not sound
for Frame to assume its containing Page will stick around for its own
entire lifetime.

Fixes #3976.
This commit is contained in:
Andreas Kling 2020-11-12 18:23:05 +01:00
parent e445ff670d
commit 81add73955
12 changed files with 87 additions and 56 deletions
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Libraries/LibWeb/Page/Page.h
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@ -40,7 +40,7 @@ namespace Web {
class PageClient;
class Page {
class Page : public Weakable<Page> {
AK_MAKE_NONCOPYABLE(Page);
AK_MAKE_NONMOVABLE(Page);