Merge pull request #1412 from WebPlatformForEmbedded/pgorszkowski/2.38/network_sessions_are_destroyed_in_platform_finalize

[GTK][WPE] Network sessions are not destroyed in platformFinalize

Author: magomez

Source/WebKit/NetworkProcess/soup/NetworkProcessMainSoup.cpp

@@ -49,10 +49,14 @@ class NetworkProcessMainSoup final: public AuxiliaryProcessMainBaseNoSingleton<N
 
     void platformFinalize() override
     {
-        // FIXME: Is this still needed? We should probably destroy all existing sessions at this point instead.
         // Needed to destroy the SoupSession and SoupCookieJar, e.g. to avoid
         // leaking SQLite temporary journaling files.
-        process().destroySession(PAL::SessionID::defaultSessionID());
+        Vector<PAL::SessionID> sessionIDs;
+        process().forEachNetworkSession([&sessionIDs](auto& session) {
+            sessionIDs.append(session.sessionID());
+        });
+        for (auto& sessionID : sessionIDs)
+            process().destroySession(sessionID);
     }
 };