LibCore: Move HTTP classes from LibGUI to LibCore.

LibCore/CHttpRequest.h

@@ -0,0 +1,34 @@
+#pragma once
+
+#include <AK/AKString.h>
+
+class CNetworkJob;
+
+class CHttpRequest {
+public:
+    enum Method { Invalid, HEAD, GET, POST };
+
+    CHttpRequest();
+    ~CHttpRequest();
+
+    String hostname() const { return m_hostname; }
+    int port() const { return m_port; }
+    String path() const { return m_path; }
+    Method method() const { return m_method; }
+
+    void set_hostname(const String& hostname) { m_hostname = hostname; }
+    void set_port(int port) { m_port = port; }
+    void set_path(const String& path) { m_path = path; }
+    void set_method(Method method) { m_method = method; }
+
+    String method_name() const;
+    ByteBuffer to_raw_request() const;
+
+    CNetworkJob* schedule();
+
+private:
+    String m_hostname;
+    String m_path;
+    int m_port { 80 };
+    Method m_method { GET };
+};