Move some deprecated prefs out of chrome/common/pref_names.cc.

chrome/common/pref_names.h

Index: chrome/common/pref_names.h
diff --git a/chrome/common/pref_names.h b/chrome/common/pref_names.h
index cbcc08e41ac60b70feedd8fb6bb798e81f425260..6db56d1328ea56909d9c06907dfd22771c891b23 100644
--- a/chrome/common/pref_names.h
+++ b/chrome/common/pref_names.h
@@ -67,7 +67,6 @@ extern const char kOwnerLocale[];
 
 extern const char kDefaultCharset[];
 extern const char kAcceptLanguages[];
-extern const char kStaticEncodings[];
 extern const char kWebKitCommonScript[];
 extern const char kWebKitStandardFontFamily[];
 extern const char kWebKitFixedFontFamily[];
@@ -139,7 +138,6 @@ extern const char kWebKitJavascriptCanOpenWindowsAutomatically[];
 extern const char kWebKitLoadsImagesAutomatically[];
 extern const char kWebKitPluginsEnabled[];
 extern const char kWebKitDomPasteEnabled[];
-extern const char kWebKitUsesUniversalDetector[];
 extern const char kWebKitTextAreasAreResizable[];
 extern const char kWebkitTabsToLinks[];
 extern const char kWebKitAllowDisplayingInsecureContent[];
@@ -305,7 +303,6 @@ extern const char kEolNotificationDismissed[];
 extern const char kQuickUnlockFeatureNotificationShown[];
 #endif  // defined(OS_CHROMEOS)
 extern const char kShowHomeButton[];
-extern const char kRecentlySelectedEncoding[];
 extern const char kSpeechRecognitionFilterProfanities[];
 extern const char kSavingBrowserHistoryDisabled[];
 extern const char kAllowDeletingBrowserHistory[];