Bug 962968 - Replace HashMap with SparseArray in ICODecoder (r=rnewman)
Bug 962968 - Replace HashMap with SparseArray in Favicons (r=rnewman)
Bug 962968 - Replace HashMap with SparseArray in GeckoJavaSampler (r=rnewman)
Bug 962968 - Replace HashMap with SparseArray in PanelManager (r=rnewman)
Bug 962968 - Replace HashMap with SparseArray in PrefsHelper (r=rnewman)
Bug 962968 - Replace HashMap with SparseArray in ActivityResultHandlerMap (r=rnewman)