Componentize spellcheck [4]: spellcheck/browser and android java-side.

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 91ed2ee881d88f7fe0f7540eef4bef7a4d0e925a..464de407acbefeaf5daa6098427e2d6108fbf14b 100644
--- a/chrome/common/pref_names.cc
+++ b/chrome/common/pref_names.cc
@@ -918,9 +918,6 @@ const char kLastClearBrowsingDataTime[] =
 const char kClearBrowsingDataHistoryNoticeShownTimes[] =
     "browser.clear_data.history_notice_shown_times";
 
-// Boolean pref to define the default values for using spellchecker.
-const char kEnableContinuousSpellcheck[] = "browser.enable_spellchecking";
-
 // Boolean pref to define the default setting for "block offensive words".
 // The old key value is kept to avoid unnecessary migration code.
 const char kSpeechRecognitionFilterProfanities[] =
@@ -1429,16 +1426,6 @@ const char kDefaultTasksBySuffix[] =
 // Extensions which should be opened upon completion.
 const char kDownloadExtensionsToOpen[] = "download.extensions_to_open";
 
-// String which represents the dictionary name for our spell-checker.
-// This is an old preference that is being migrated to kSpellCheckDictionaries.
-const char kSpellCheckDictionary[] = "spellcheck.dictionary";
-
-// List of strings representing the dictionary names for our spell-checker.
-const char kSpellCheckDictionaries[] = "spellcheck.dictionaries";
-
-// String which represents whether we use the spelling service.
-const char kSpellCheckUseSpellingService[] = "spellcheck.use_spelling_service";
-
 // Dictionary of schemes used by the external protocol handler.
 // The value is true if the scheme must be ignored.
 const char kExcludedSchemes[] = "protocol_handler.excluded_schemes";