[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 570f1dd8846a41650bf107671fba4cc0a8813de6..79f9ec0cfe0bdb1a21d778e045f614b1b85850d8 100644
--- a/chrome/common/pref_names.cc
+++ b/chrome/common/pref_names.cc
@@ -1214,14 +1214,6 @@ 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