Bug 1092888 - Part 1: Remove preference for selection carets with non-editable fields support. r=roc
Bug 1092888 - Part 2: Check pointer of FrameSelection and Selection is valid. r=roc
Bug 1092888 - Part 3: Fix test fails on 824080-1/3/4/5.html. r=roc
Bug 1092888 - Part 4: Flip testing function for non-editablt test at test_selectioncarets.py. r=roc
Bug 1092888 - Part 5: Add a parameter to toggle context menu when calling long_press. r=mdas