Eliminate usage of content url constants in Autofill core code.

components/autofill/core/browser/DEPS

 include_rules = [
   "+components/webdata/common",
   "+crypto/random.h",
   "+google_apis/gaia",
   "+google_apis/google_api_keys.h",
   "+net",
   "+sql",
   "+third_party/libjingle",
   "+third_party/libphonenumber",  # For phone number i18n.
 
   # TODO(blundell): Bring this list to zero.
   #
   # Do not add to the list of temporarily-allowed dependencies below,
   # and please do not introduce more #includes of these files.
   "!content/public/browser/browser_context.h",
   "!content/public/browser/browser_thread.h",
   "!content/public/browser/render_view_host.h",
   "!content/public/browser/web_contents.h",
-  "!content/public/common/url_constants.h",
   "!third_party/WebKit/public/web/WebAutofillClient.h",
 ]
 
 specific_include_rules = {
   'test_autofill_driver.*': [
     # TODO(blundell): Eliminate the need for TestAutofillDriver to be a
     # WebContentsObserver.
     "!content/public/browser/web_contents_observer.h",
   ],
   '.*_[a-z]*test\.cc': [
@@ skipping 12 matching lines @@
     "!chrome/browser/sync/profile_sync_service_factory.h",
     "!chrome/browser/ui/autofill/tab_autofill_manager_delegate.h",
     "!chrome/browser/webdata/web_data_service.h",
     "!chrome/browser/webdata/web_data_service_factory.h",
     "!chrome/common/chrome_paths.h",
     "!chrome/test/base/chrome_render_view_host_test_harness.h",
     "!chrome/test/base/testing_profile.h",
     "!third_party/WebKit/public/web/WebInputElement.h",
   ],
 }