Bug 877199 - Browser console's window title temporarily says 'Web Console' before changing to 'Browser console'; r=robcee
Merge m-c to fx-team.
Bug 873225 - Totals for displayed file sizes, r=rcampbell
Bug 863754 - Make mach run and mach debug pass -foreground by default on Mac; r=ted

DONTBUILD since this is NPOTB.
Merge fx-team to m-c.
Merge inbound to m-c.

--HG--
rename : gfx/layers/TestTiledLayerBuffer.cpp => gfx/tests/gtest/TestTiledLayerBuffer.cpp
Bug 877523 - Correctly handle small maximum delay values for DelayNode; r=roc
Bug 876024 - Sanity check all of the time values passed to Web Audio; r=roc
Bug 876273 - Only attempt to delete the media graph when the last stream goes away if we're waiting for all streams to be destroyed; r=roc
Bug 877820 - Improve the argument checking for OfflineAudioContext's sampleRate argument; r=roc
Merge mozilla-central to mozilla-inbound