Browser+LibWeb: Add support for spoofing the browser user agent

This is helpful when testing certain sites like twitter.com which
display differently based on the user agent.

2 files changed, 4 insertions, 1 deletions

diff --git a/Userland/Libraries/LibWeb/Loader/ResourceLoader.cpp b/Userland/Libraries/LibWeb/Loader/ResourceLoader.cpp
index 4d438aadb0..cd3aaeed2d 100644
--- a/Userland/Libraries/LibWeb/Loader/ResourceLoader.cpp
+++ b/Userland/Libraries/LibWeb/Loader/ResourceLoader.cpp
@@ -48,7 +48,7 @@ ResourceLoader& ResourceLoader::the()
 
 ResourceLoader::ResourceLoader()
     : m_protocol_client(Protocol::Client::construct())
-    , m_user_agent("Mozilla/4.0 (SerenityOS; x86) LibWeb+LibJS (Not KHTML, nor Gecko) LibWeb")
+    , m_user_agent(default_user_agent)
 {
 }
 
diff --git a/Userland/Libraries/LibWeb/Loader/ResourceLoader.h b/Userland/Libraries/LibWeb/Loader/ResourceLoader.h
index 02fda51250..74ac265f72 100644
--- a/Userland/Libraries/LibWeb/Loader/ResourceLoader.h
+++ b/Userland/Libraries/LibWeb/Loader/ResourceLoader.h
@@ -37,6 +37,8 @@ class Client;
 
 namespace Web {
 
+constexpr auto default_user_agent = "Mozilla/4.0 (SerenityOS; x86) LibWeb+LibJS (Not KHTML, nor Gecko) LibWeb";
+
 class ResourceLoader : public Core::Object {
     C_OBJECT(ResourceLoader)
 public:
@@ -55,6 +57,7 @@ public:
     Protocol::Client& protocol_client() { return *m_protocol_client; }
 
     const String& user_agent() const { return m_user_agent; }
+    void set_user_agent(const String& user_agent) { m_user_agent = user_agent; }
 
     void clear_cache();