Changes to make the Android DB commands a bit more robust.
Created attachment 579101 [details] [diff] [review]
(1/3) More robust implementation of thumbnail update
Built on top of changes in bug 704490.
Created attachment 579102 [details] [diff] [review]
(2/3) More robust implementation of add bookmark
Created attachment 579104 [details] [diff] [review]
(3/3) Handle case of updating favicon on non-existing URL