Input mode is reset to "Direct input" on a new gnome session. ibus-mozc-1.15.1814.102-1.fc20.x86_64 mozc-1.15.1814.102-1.fc20.x86_64
Hi Takehiko. Please refer to my comment in Bug 1119967. Thanks.
*** This bug has been marked as a duplicate of bug 1119967 ***