[epiphany] (43 commits) ...sqlite-connection: Add function to delete database file

[Gabriel Ivașcu <gabrielivascu src gnome org>]

Summary of changes:

  db785bb... safe-browsing: Add stub service and storage objects (*)
  cfe43c6... gsb-storage: Implement basic database operations (*)
  59e83d9... safe-browsing: Implement database update operation (*)
  bf3b25e... gsb-storage: Use transactions and reuse statements for spee (*)
  a31afcd... gsb-service: Run database updates in a separate thread (*)
  8f73770... gsb-service: Schedule next update when the current one ends (*)
  0e2a173... gsb-utils: Add function to canonicalize URL (*)
  3617976... tests: Add test for ephy_gsb_utils_canonicalize() (*)
  9cda66c... gsb-utils: Add function to compute URL hashes (*)
  ad3ae5e... tests: Add test for ephy_gsb_utils_compute_hashes() (*)
  d968d5f... gsb-storage: Add function to lookup hash prefixes (*)
  4f85274... gsb-storage: Add function to lookup full hashes (*)
  6debb20... gsb-storage: Add function to insert full hash (*)
  bf848bd... gsb-service: Add function to query fullHashes:find endpoint (*)
  57218b2... gsb-utils: Use GBytes for full hashes too (*)
  6627777... gsb-service: Implement URL verification logic (*)
  a1f1213... gsb-service: Delete long expired full hashes at every updat (*)
  c3a788a... gsb-service: Handle min wait duration in fullHashes:find re (*)
  5e804a6... gsb-service: Handle back-off mode (*)
  6400b15... web-view: Add unsafe browsing error page (*)
  a909d75... web-view: Verify and inform user about URL safety (*)
  3153546... gsb-service: Limit the use of C labels (*)
  171d4ff... gsb-storage: Limit the use of C labels (*)
  57f2271... safe-browsing: Add support for Rice compression scheme (*)
  cae46e5... gsb-storage: Store metadata values as integers (*)
  afb08a5... gsb-service: Rename some variables (*)
  90db9e1... gsb-service: Store/restore next_list_updates_time in dispos (*)
  dd2d710... gsb-service: Make next_full_hashes_time persistent (*)
  ab88ce2... gsb-service: Make back-off parameters persistent (*)
  42db030... gsb-storage: Remove unused timestamp column (*)
  0348544... gsb-utils: Remove unused fields from EphyGSBHashPrefixLooku (*)
  203e131... prefs-dialog: Add safe browsing checkbutton (*)
  eaa5cb1... gsb-service: Matches array can miss from fullHashes:find re (*)
  0bd232d... safe-browsing: Add documentation comments to public functio (*)
  ff725d1... gsb-service: Add update-finished signal (*)
  3bbab01... tests: Add test for ephy_gsb_service_verify_url() (*)
  483fe5a... gsb-service: Store timestamps immediately as they are updat (*)
  3c8cd63... gsb-storage: Don't hardcode Linux threat lists (*)
  ed40540... gsb-service: Check server responses to be a valid JSON obje (*)
  e57f7dd... gsb-service: Check social engineering threats regardless of (*)
  5c69b30... gsb-storage: Don't fail _open_db() if pragmas fail (*)
  2e686fb... sqlite-connection: Add function to enable foreign keys (*)
  b015f75... sqlite-connection: Add function to delete database file (*)

(*) This commit already existed in another branch; no separate mail sent