[Suggestions] Moving suggestions code to a new component

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 f5137e8707480136bba55c5ed4528677a25a2a91..08511effd6fc9fcdb11240c570c0c370dbec1f62 100644
--- a/chrome/common/pref_names.cc
+++ b/chrome/common/pref_names.cc
@@ -1219,14 +1219,6 @@ extern const char kEasyUnlockPairing[] = "easy_unlock.pairing";
 // A cache of zero suggest results using JSON serialized into a string.
 const char kZeroSuggestCachedResults[] = "zerosuggest.cachedresults";
 
-// A cache of suggestions represented as a serialized SuggestionsProfile
-// protobuf.
-const char kSuggestionsData[] = "suggestions.data";
-
-// A cache of a suggestions blacklist, represented as a serialized
-// SuggestionsBlacklist protobuf.
-const char kSuggestionsBlacklist[] = "suggestions.blacklist";
-
 // *************** LOCAL STATE ***************
 // These are attached to the machine/installation