Yeh, I started a case-insensitive text search through the codebase for the string "freelook" and looked for everything that returned a freelook direction.
On revision 4669b50e2351830656e7d26ec2f0eec8b4740e69, these are the results:
Frame.cpp lines 1041, 1498
Globals.h line 299
HotkeyDlg.cpp line 230
ConfigManager.cpp line 83
CoreParameter.h line 54
HotKeyManager.cpp line 51
On revision 4669b50e2351830656e7d26ec2f0eec8b4740e69, these are the results:
Frame.cpp lines 1041, 1498
Globals.h line 299
HotkeyDlg.cpp line 230
ConfigManager.cpp line 83
CoreParameter.h line 54
HotKeyManager.cpp line 51