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Fix crash in OnGuestDetached when unloading PDF (fixes issue #3121)

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This commit is contained in:
Marshall Greenblatt 2021-05-04 13:25:25 -04:00
parent 2de07250dc
commit 820ef6c323
1 changed files with 14 additions and 5 deletions
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19
patch/patches/mime_handler_view_guest_1565_2727.patch
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@ -12,7 +12,7 @@ index cdbc0273838e5..ee2809a0bb98a 100644
virtual ~WebContentsView() {}
diff --git extensions/browser/guest_view/mime_handler_view/mime_handler_view_guest.cc extensions/browser/guest_view/mime_handler_view/mime_handler_view_guest.cc
index e2b5240255bfd..fc0037f552ec1 100644
index e2b5240255bfd..da0648c1eabc4 100644
--- extensions/browser/guest_view/mime_handler_view/mime_handler_view_guest.cc
+++ extensions/browser/guest_view/mime_handler_view/mime_handler_view_guest.cc
@@ -205,6 +205,8 @@ void MimeHandlerViewGuest::CreateWebContents(
@ -24,22 +24,23 @@ index e2b5240255bfd..fc0037f552ec1 100644
// TODO(erikchen): Fix ownership semantics for guest views.
// https://crbug.com/832879.
std::move(callback).Run(
@@ -215,6 +217,9 @@ void MimeHandlerViewGuest::CreateWebContents(
@@ -215,6 +217,10 @@ void MimeHandlerViewGuest::CreateWebContents(
}
void MimeHandlerViewGuest::DidAttachToEmbedder() {
+ is_guest_attached_ = true;
+ if (delegate_)
+ delegate_->OnGuestAttached();
+
DCHECK(stream_->handler_url().SchemeIs(extensions::kExtensionScheme));
web_contents()->GetController().LoadURL(
stream_->handler_url(), content::Referrer(),
@@ -245,6 +250,11 @@ bool MimeHandlerViewGuest::ShouldDestroyOnDetach() const {
@@ -245,6 +251,11 @@ bool MimeHandlerViewGuest::ShouldDestroyOnDetach() const {
return true;
}
+void MimeHandlerViewGuest::WillDestroy() {
+ if (delegate_)
+ if (is_guest_attached_ && delegate_)
+ delegate_->OnGuestDetached();
+}
+
@ -47,7 +48,7 @@ index e2b5240255bfd..fc0037f552ec1 100644
WebContents* source,
const content::OpenURLParams& params) {
diff --git extensions/browser/guest_view/mime_handler_view/mime_handler_view_guest.h extensions/browser/guest_view/mime_handler_view/mime_handler_view_guest.h
index 7d27e12c4e9a7..55c307b5e86ae 100644
index 7d27e12c4e9a7..fc234840104ea 100644
--- extensions/browser/guest_view/mime_handler_view/mime_handler_view_guest.h
+++ extensions/browser/guest_view/mime_handler_view/mime_handler_view_guest.h
@@ -130,6 +130,7 @@ class MimeHandlerViewGuest
@ -58,6 +59,14 @@ index 7d27e12c4e9a7..55c307b5e86ae 100644
// WebContentsDelegate implementation.
content::WebContents* OpenURLFromTab(
@@ -188,6 +189,7 @@ class MimeHandlerViewGuest
content::ChildProcessHost::kInvalidUniqueID, MSG_ROUTING_NONE};
int embedder_widget_routing_id_ = MSG_ROUTING_NONE;
+ bool is_guest_attached_ = false;
bool is_guest_fullscreen_ = false;
bool is_embedder_fullscreen_ = false;
bool plugin_can_save_ = false;
diff --git extensions/browser/guest_view/mime_handler_view/mime_handler_view_guest_delegate.h extensions/browser/guest_view/mime_handler_view/mime_handler_view_guest_delegate.h
index 98689e2614604..a1b08274f4556 100644
--- extensions/browser/guest_view/mime_handler_view/mime_handler_view_guest_delegate.h