Remove content::NotificationObserver dependency from most Prefs code.

chrome/browser/ui/browser_command_controller.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/ui/browser_command_controller.h"
 
 #include "chrome/app/chrome_command_ids.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/defaults.h"
 #include "chrome/browser/extensions/extension_service.h"
@@ skipping 651 matching lines @@
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 // BrowserCommandController, content::NotificationObserver implementation:
 
 void BrowserCommandController::Observe(
     int type,
     const content::NotificationSource& source,
     const content::NotificationDetails& details) {
   switch (type) {
-    case NOTIFICATION_PREF_CHANGED: {
-      const std::string& pref_name =
-          *content::Details<std::string>(details).ptr();
-      if (pref_name == prefs::kPrintingEnabled) {
-        UpdatePrintingState();
-      } else if (pref_name == prefs::kIncognitoModeAvailability) {
-        UpdateCommandsForIncognitoAvailability();
-      } else if (pref_name == prefs::kDevToolsDisabled) {
-        UpdateCommandsForDevTools();
-      } else if (pref_name == prefs::kEditBookmarksEnabled) {
-        UpdateCommandsForBookmarkEditing();
-      } else if (pref_name == prefs::kShowBookmarkBar) {
-        UpdateCommandsForBookmarkBar();
-      } else if (pref_name == prefs::kAllowFileSelectionDialogs) {
-        UpdateSaveAsState();
-        UpdateOpenFileState();
-      } else if (pref_name == prefs::kInManagedMode) {
-        UpdateCommandsForMultipleProfiles();
-      } else {
-        NOTREACHED();
-      }
-      break;
-    }
     case content::NOTIFICATION_INTERSTITIAL_ATTACHED:
       UpdateCommandsForTabState();
       break;
 
     case content::NOTIFICATION_INTERSTITIAL_DETACHED:
       UpdateCommandsForTabState();
       break;
 
     default:
       NOTREACHED() << "Got a notification we didn't register for.";
   }
 }
 
 ////////////////////////////////////////////////////////////////////////////////
+// PrefObserver implementation:
+
+void BrowserCommandController::OnPreferenceChanged(
+    PrefServiceBase* service,
+    const std::string& pref_name) {
+  if (pref_name == prefs::kPrintingEnabled) {
+    UpdatePrintingState();
+  } else if (pref_name == prefs::kIncognitoModeAvailability) {
+    UpdateCommandsForIncognitoAvailability();
+  } else if (pref_name == prefs::kDevToolsDisabled) {
+    UpdateCommandsForDevTools();
+  } else if (pref_name == prefs::kEditBookmarksEnabled) {
+    UpdateCommandsForBookmarkEditing();
+  } else if (pref_name == prefs::kShowBookmarkBar) {
+    UpdateCommandsForBookmarkBar();
+  } else if (pref_name == prefs::kAllowFileSelectionDialogs) {
+    UpdateSaveAsState();
+    UpdateOpenFileState();
+  } else if (pref_name == prefs::kInManagedMode) {
+    UpdateCommandsForMultipleProfiles();
+  } else {
+    NOTREACHED();
+  }
+}
+
+////////////////////////////////////////////////////////////////////////////////
 // BrowserCommandController, TabStripModelObserver implementation:
 
 void BrowserCommandController::TabInsertedAt(TabContents* contents,
                                              int index,
                                              bool foreground) {
   AddInterstitialObservers(contents);
 }
 
 void BrowserCommandController::TabDetachedAt(TabContents* contents, int index) {
   RemoveInterstitialObservers(contents);
@@ skipping 454 matching lines @@
 
 BrowserWindow* BrowserCommandController::window() {
   return browser_->window();
 }
 
 Profile* BrowserCommandController::profile() {
   return browser_->profile();
 }
 
 }  // namespace chrome