Bug 906813 - Make private image channel test relying on cache wait until the cache is cleared. r=ehsan
Bug 663567 - Verify that content added by XSLT stylesheet is subject to document's CSP - test update. r=sstamm

--HG--
rename : content/base/test/file_CSP_bug663567_allows.xsl => content/base/test/file_CSP_bug663567.xsl
Backed out changeset 2f15518f566e (bug 912702) because of B2G JB Emulator build bustage

--HG--
extra : rebase_source : 6c01ad3bc2f91b0e7e3edab84aedbfe064310a8b