Backed out 3 changesets (bug 1597679) for Android debug build bustage at build/src/dom/base/nsContentAreaDragDrop.cpp

Backed out changeset 6a73b58e0db4 (bug 1597679)
Backed out changeset 90a172eff2de (bug 1597679)
Backed out changeset d4a156cf28ff (bug 1597679)

--HG--
rename : dom/html/TextControlElement.h => dom/html/nsITextControlElement.h