Bug 841651 - Implement PR_SetThreadPriority() on Linux-based platforms using per-thread nice values. r=wtc, a=tef+
Bug 836655 - [Audio] To remove ChildID if there is no content channel playing in foreground. And only send audio-channel-changed with normal when ChildID in the background has content channel in playing state. r=baku, a=tef+
Bug 836655 - Modify unit test for adapting change in this bug. r=baku, a=tef+
Bug 844243 - Installing a packaged app in which the mini-manifest app name is different than the webapp manifest app name is allowed, but should not be. r=fabrice, a=tef+