Update Chromium and adapt PermissionManagerQt

Submodule src/3rdparty 6764c29f..c38ae3ec:
  > [Backport] Security bug 1190525
  > [Backport] Security bug 1161759
  > [Backport] Security bug 1175503
  > [Backport] Security bugs 1175522 and 1181276
  > [Backport] CVE-2021-21219: Uninitialized Use in PDFium
  > [Backport] CVE-2021-21217 and CVE-2021-21218: Uninitialized Use in PDFium
  > [Backport] CVE-2021-21214: Use after free in Network API
  > [Backport] CVE-2021-21213: Use after free in WebMIDI
  > [Backport] CVE-2021-21207: Use after free in IndexedDB
  > [Backport] CVE-2021-21221: Insufficient validation of untrusted input in Mojo
  > [Backport] CVE-2021-21204: Use after free in Blink.
  > [Backport] CVE-2021-21203: Use after free in Blink
  > [Backport] CVE-2021-21202: Use after free in extensions.
  > [Backport] CVE-2021-21201: Use after free in permissions

Task-number: QTBUG-92895
Change-Id: I7e6f3d443366bb291cab027510f76788c14fc023
Reviewed-by: Allan Sandfeld Jensen <allan.jensen@qt.io>

3 files changed, 7 insertions, 8 deletions

diff --git a/src/3rdparty b/src/3rdparty
-Subproject 6764c29f7c5aaf9ecbe6532f9e2b845604c926a
+Subproject c38ae3ec48030dea4f83cda3a83d8377f772de9
diff --git a/src/core/permission_manager_qt.cpp b/src/core/permission_manager_qt.cpp
index 885a40c15..40090f8ec 100644
--- a/src/core/permission_manager_qt.cpp
+++ b/src/core/permission_manager_qt.cpp
@@ -122,7 +122,6 @@ static blink::mojom::PermissionStatus toBlink(ProfileAdapter::PermissionState re
 
 PermissionManagerQt::PermissionManagerQt()
     : m_requestIdCount(0)
-    , m_subscriberIdCount(0)
 {
 }
 
@@ -339,19 +338,19 @@ void PermissionManagerQt::ResetPermission(
     m_permissions.remove(key);
 }
 
-int PermissionManagerQt::SubscribePermissionStatusChange(
+content::PermissionControllerDelegate::SubscriptionId PermissionManagerQt::SubscribePermissionStatusChange(
     content::PermissionType permission,
     content::RenderFrameHost * /* render_frame_host */,
     const GURL& requesting_origin,
     base::RepeatingCallback<void(blink::mojom::PermissionStatus)> callback)
 {
-    int subscriber_id = ++m_subscriberIdCount;
+    auto subscriber_id = subscription_id_generator_.GenerateNextId();
     m_subscribers.insert( { subscriber_id,
                             Subscription { toQt(permission), toQt(requesting_origin), std::move(callback) } });
     return subscriber_id;
 }
 
-void PermissionManagerQt::UnsubscribePermissionStatusChange(int subscription_id)
+void PermissionManagerQt::UnsubscribePermissionStatusChange(content::PermissionControllerDelegate::SubscriptionId subscription_id)
 {
     if (!m_subscribers.erase(subscription_id))
         LOG(WARNING) << "PermissionManagerQt::UnsubscribePermissionStatusChange called on unknown subscription id" << subscription_id;
diff --git a/src/core/permission_manager_qt.h b/src/core/permission_manager_qt.h
index e046174df..f8d7e0ee3 100644
--- a/src/core/permission_manager_qt.h
+++ b/src/core/permission_manager_qt.h
@@ -89,13 +89,13 @@ public:
         base::OnceCallback<void(
             const std::vector<blink::mojom::PermissionStatus>&)> callback) override;
 
-    int SubscribePermissionStatusChange(
+    content::PermissionControllerDelegate::SubscriptionId SubscribePermissionStatusChange(
         content::PermissionType permission,
         content::RenderFrameHost* render_frame_host,
         const GURL& requesting_origin,
         const base::RepeatingCallback<void(blink::mojom::PermissionStatus)> callback) override;
 
-    void UnsubscribePermissionStatusChange(int subscription_id) override;
+    void UnsubscribePermissionStatusChange(content::PermissionControllerDelegate::SubscriptionId subscription_id) override;
 
 private:
     QHash<QPair<QUrl, ProfileAdapter::PermissionType>, bool> m_permissions;
@@ -118,9 +118,9 @@ private:
     };
     std::vector<Request> m_requests;
     std::vector<MultiRequest> m_multiRequests;
-    std::map<int, Subscription> m_subscribers;
+    std::map<content::PermissionControllerDelegate::SubscriptionId, Subscription> m_subscribers;
+    content::PermissionControllerDelegate::SubscriptionId::Generator subscription_id_generator_;
     int m_requestIdCount;
-    int m_subscriberIdCount;
 
 };