Bug 1013155 - (Part VI) More log in render.js
Bug 1013155 - (Part VII) Wait for layout
Bug 1013155 - (Part VIII) Remove useless cachedIMEDimensions
Bug 1013155 - (Part IX) Avoid flickering when switching between inputs
Bug 1013155 - (Part X) Fix a race on keyboard launches

When keyboard loads faster than inputcontext but the layout is loaded after that
(Happened on Peak with OPTIMIZE)
Bug 1013155 - (Part XI) Fix integration test errors