Remove abonded privacy blacklist implementation.

chrome/common/pref_names.cc

Index: chrome/common/pref_names.cc
diff --git a/chrome/common/pref_names.cc b/chrome/common/pref_names.cc
index a7407a970649a48f2a5ee2d9cd9f309780bc1ef7..36fe1b5e70bde41446e1925ce8d19584d065e610 100644
--- a/chrome/common/pref_names.cc
+++ b/chrome/common/pref_names.cc
@@ -472,9 +472,6 @@ const wchar_t kAutoFillPositiveUploadRate[] = L"autofill.positive_upload_rate";
 // Double that indicates negative (for not matched forms) upload rate.
 const wchar_t kAutoFillNegativeUploadRate[] = L"autofill.negative_upload_rate";
 
-// Dictionary that maps providers to lists of filter rules.
-const wchar_t kPrivacyFilterRules[] = L"profile.privacy_filter_rules";
-
 // Boolean that is true when the tabstrip is to be laid out vertically down the
 // side of the browser window.
 const wchar_t kUseVerticalTabs[] = L"tabs.use_vertical_tabs";