Add a method to CommandUpdater to remove an observer from all commands at once.

Review URL: http://codereview.chromium.org/21140

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@9350 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 10 insertions, 0 deletions

diff --git a/chrome/browser/command_updater.cc b/chrome/browser/command_updater.cc
index 8839965..db34bbd 100644
--- a/chrome/browser/command_updater.cc
+++ b/chrome/browser/command_updater.cc
@@ -59,3 +59,13 @@ void CommandUpdater::AddCommandObserver(int id, CommandObserver* observer) {
 void CommandUpdater::RemoveCommandObserver(int id, CommandObserver* observer) {
   GetCommand(id, false)->observers.RemoveObserver(observer);
 }
+
+void CommandUpdater::RemoveCommandObserver(CommandObserver* observer) {
+  for (CommandMap::const_iterator it = commands_.begin();
+       it != commands_.end();
+       ++it) {
+    Command* command = it->second;
+    if (command)
+      command->observers.RemoveObserver(observer);
+  }
+}