LibWebView+UI: Raise the chrome process open file limit

The default limit (at least on Linux) causes us to run out of file
descriptors at around 15 tabs. Increase this limit to 8k. This is a
rather arbitrary number, but matches the limit set by Chrome.

Userland/Libraries/LibWebView/ChromeProcess.cpp

@@ -7,6 +7,7 @@
 #include <AK/ByteString.h>
 #include <LibCore/Process.h>
 #include <LibCore/StandardPaths.h>
+#include <LibCore/System.h>
 #include <LibIPC/ConnectionToServer.h>
 #include <LibWebView/ChromeProcess.h>
 
@@ -22,6 +23,14 @@ private:
     UIProcessClient(NonnullOwnPtr<Core::LocalSocket>);
 };
 
+ErrorOr<ChromeProcess> ChromeProcess::create()
+{
+    // Increase the open file limit, as the default limits on Linux cause us to run out of file descriptors with around 15 tabs open.
+    TRY(Core::System::set_resource_limits(RLIMIT_NOFILE, 8192));
+
+    return ChromeProcess {};
+}
+
 ErrorOr<ChromeProcess::ProcessDisposition> ChromeProcess::connect(Vector<ByteString> const& raw_urls, bool new_window)
 {
     static constexpr auto process_name = "Ladybird"sv;