[Eraser] First pass at removing the notification center panel.

chrome/browser/app_controller_mac.mm

Index: chrome/browser/app_controller_mac.mm
diff --git a/chrome/browser/app_controller_mac.mm b/chrome/browser/app_controller_mac.mm
index 0b290319d87e3800626160965fe15b718cc8b9a5..b67cfba7c774eaf96e6e3faa896e99ce4f023569 100644
--- a/chrome/browser/app_controller_mac.mm
+++ b/chrome/browser/app_controller_mac.mm
@@ -212,7 +212,6 @@ bool IsProfileSignedOut(Profile* profile) {
 - (void)initMenuState;
 - (void)initProfileMenu;
 - (void)updateConfirmToQuitPrefMenuItem:(NSMenuItem*)item;
-- (void)updateDisplayMessageCenterPrefMenuItem:(NSMenuItem*)item;
 - (void)registerServicesMenuTypesTo:(NSApplication*)app;
 - (void)getUrl:(NSAppleEventDescriptor*)event
      withReply:(NSAppleEventDescriptor*)reply;
@@ -1000,9 +999,9 @@ class AppControllerProfileObserver : public ProfileInfoCacheObserver {
     [self updateConfirmToQuitPrefMenuItem:static_cast<NSMenuItem*>(item)];
     enable = YES;
   } else if (action == @selector(toggleDisplayMessageCenter:)) {
-    NSMenuItem* menuItem = static_cast<NSMenuItem*>(item);
-    [self updateDisplayMessageCenterPrefMenuItem:menuItem];
-    enable = YES;
+    // TODO(dewittj): Remove this (see crbug.com/530376) with a separate update
+    // to the xib file.
+    enable = NO;
   } else if (action == @selector(executeApplication:)) {
     enable = YES;
   }
@@ -1326,14 +1325,6 @@ class AppControllerProfileObserver : public ProfileInfoCacheObserver {
   [item setState:enabled ? NSOnState : NSOffState];
 }
 
-- (void)updateDisplayMessageCenterPrefMenuItem:(NSMenuItem*)item {
-  const PrefService* prefService = g_browser_process->local_state();
-  bool enabled = prefService->GetBoolean(prefs::kMessageCenterShowIcon);
-  // The item should be checked if "show icon" is false, since the text reads
-  // "Hide notification center icon."
-  [item setState:enabled ? NSOffState : NSOnState];
-}
-
 - (void)registerServicesMenuTypesTo:(NSApplication*)app {
   // Note that RenderWidgetHostViewCocoa implements NSServicesRequests which
   // handles requests from services.
@@ -1467,9 +1458,8 @@ class AppControllerProfileObserver : public ProfileInfoCacheObserver {
 }
 
 - (IBAction)toggleDisplayMessageCenter:(id)sender {
-  PrefService* prefService = g_browser_process->local_state();
-  bool enabled = prefService->GetBoolean(prefs::kMessageCenterShowIcon);
-  prefService->SetBoolean(prefs::kMessageCenterShowIcon, !enabled);
+  // TODO(dewittj): Remove this (see crbug.com/530376) with a separate update to
+  // the xib file.
 }
 
 // Explicitly bring to the foreground when creating new windows from the dock.