Fix paint glitch on load/unload browser action.

This asks the toolbar (BrowserActionContainer.GetParent()) to paint when a browser action view has been added & removed.

TEST=Load browser action. Go to chrome://extensions, click "reload". The omnibar should visibly flash large & small as the browser action is loaded and unload, but it should not leave behind any visible "cruft" around the browser action.

BUG=24642

Review URL: http://codereview.chromium.org/341015

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@30310 0039d316-1c4b-4281-b951-d872f2087c98

chrome/browser/views/browser_actions_container.cc

@@ -275,6 +275,8 @@ void BrowserActionsContainer::AddBrowserAction(Extension* extension) {
   BrowserActionView* view = new BrowserActionView(extension, this);
   browser_action_views_.push_back(view);
   AddChildView(view);
+  if (GetParent()) 
+    GetParent()->SchedulePaint();
 }
 
 void BrowserActionsContainer::RemoveBrowserAction(Extension* extension) {
@@ -287,6 +289,8 @@ void BrowserActionsContainer::RemoveBrowserAction(Extension* extension) {
     if ((*iter)->button()->extension() == extension) {
       RemoveChildView(*iter);
       browser_action_views_.erase(iter);
+      if (GetParent()) 
+        GetParent()->SchedulePaint();
       return;
     }
   }