Bug 904321 - Add a test for memory reporters in remote processes.  r=billm.

--HG--
extra : rebase_source : bc8ab4762c373f7368192e98c9ee8f8b8712940f
Bug 917646 - Unbreak reading of old memory report files.  r=khuey.
Bug 916162 - The location of JS errors caused by frameworker message handlers isn't reported, r=markh.
 Bug 850364 - Implement setRangeText for HTMLInputElement. r=ehsan