Bug 922601. Use StreamTimeToGraphTime to get the correct conversion to graph time. r=padenot

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extra : rebase_source : 148da9b3fdc1cd6fb12489ad20d724218fcd75d1
Bug 898444. Wrap nsDisplayScrollLayer only around the scrolled content. r=tn

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extra : rebase_source : 828c5e4a33a26d958117357b439955cfb8dee1dd
Bug 916520. Rename nsClientRect(List) to mozilla::dom::DOMRect(List). r=khuey

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rename : content/html/content/src/nsClientRect.cpp => content/base/src/DOMRect.cpp
rename : content/html/content/src/nsClientRect.h => content/base/src/DOMRect.h
rename : dom/webidl/ClientRect.webidl => dom/webidl/DOMRect.webidl
rename : dom/webidl/ClientRectList.webidl => dom/webidl/DOMRectList.webidl
extra : rebase_source : ebe27ef21b38f7df5065f37b971508b740c8cf3c