Remove two unused prefs keys.

kKeywordEditorWindowPlacement, kPreferencesWindowPlacement haven't been
used in a few years.

Review URL: https://codereview.chromium.org/501463003

Cr-Commit-Position: refs/heads/master@{#291760}

chrome/browser/prefs/browser_prefs.cc

@@ -251,7 +251,6 @@ void RegisterLocalState(PrefRegistrySimple* registry) {
   GpuModeManager::RegisterPrefs(registry);
   IntranetRedirectDetector::RegisterPrefs(registry);
   IOThread::RegisterPrefs(registry);
-  KeywordEditorController::RegisterPrefs(registry);
   network_time::NetworkTimeTracker::RegisterPrefs(registry);
   PrefProxyConfigTrackerImpl::RegisterPrefs(registry);
   ProfileInfoCache::RegisterPrefs(registry);

chrome/browser/ui/browser_ui_prefs.cc

@@ -125,9 +125,6 @@ void RegisterBrowserUserPrefs(user_prefs::PrefRegistrySyncable* registry) {
   registry->RegisterDictionaryPref(
       prefs::kBrowserWindowPlacementPopup,
       user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
-  registry->RegisterDictionaryPref(
-      prefs::kPreferencesWindowPlacement,
-      user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
   registry->RegisterBooleanPref(
       prefs::kImportBookmarks,
       true,

chrome/browser/ui/search_engines/keyword_editor_controller.cc

@@ -25,13 +25,6 @@ KeywordEditorController::KeywordEditorController(Profile* profile)
 KeywordEditorController::~KeywordEditorController() {
 }
 
-// static
-// TODO(rsesek): Other platforms besides Mac should remember window
-// placement. http://crbug.com/22269
-void KeywordEditorController::RegisterPrefs(PrefRegistrySimple* registry) {
-  registry->RegisterDictionaryPref(prefs::kKeywordEditorWindowPlacement);
-}
-
 int KeywordEditorController::AddTemplateURL(const base::string16& title,
                                             const base::string16& keyword,
                                             const std::string& url) {

chrome/browser/ui/search_engines/keyword_editor_controller.h

@@ -22,8 +22,6 @@ class KeywordEditorController {
   explicit KeywordEditorController(Profile* profile);
   ~KeywordEditorController();
 
-  static void RegisterPrefs(PrefRegistrySimple* registry);
-
   // Invoked when the user succesfully fills out the add keyword dialog.
   // Propagates the change to the TemplateURLService and updates the table
   // model.  Returns the index of the added URL.

chrome/common/pref_names.cc

@@ -1427,14 +1427,6 @@ const char kBrowserWindowPlacementPopup[] = "browser.window_placement_popup";
 // manager window to restore on startup.
 const char kTaskManagerWindowPlacement[] = "task_manager.window_placement";
 
-// A collection of position, size, and other data relating to the keyword
-// editor window to restore on startup.
-const char kKeywordEditorWindowPlacement[] = "keyword_editor.window_placement";
-
-// A collection of position, size, and other data relating to the preferences
-// window to restore on startup.
-const char kPreferencesWindowPlacement[] = "preferences.window_placement";
-
 // An integer specifying the total number of bytes to be used by the
 // renderer's in-memory cache of objects.
 const char kMemoryCacheSize[] = "renderer.memory_cache.size";

chrome/common/pref_names.h

@@ -470,8 +470,6 @@ extern const char kBrowserSuppressDefaultBrowserPrompt[];
 extern const char kBrowserWindowPlacement[];
 extern const char kBrowserWindowPlacementPopup[];
 extern const char kTaskManagerWindowPlacement[];
-extern const char kKeywordEditorWindowPlacement[];
-extern const char kPreferencesWindowPlacement[];
 extern const char kMemoryCacheSize[];
 
 extern const char kDownloadDefaultDirectory[];