Change BrowserBubble to use Close instead of CloseNow. This should make

chrome/browser/views/extensions/extension_shelf.cc

 // Copyright (c) 2009 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/views/extensions/extension_shelf.h"
 
 #include <algorithm>
 
 #include "app/resource_bundle.h"
 #include "base/logging.h"
@@ skipping 455 matching lines @@
 }
 
 void ExtensionShelf::Toolstrip::AnimationProgressed(
     const Animation* animation) {
   LayoutHandle();
 }
 
 void ExtensionShelf::Toolstrip::AnimationEnded(const Animation* animation) {
   LayoutHandle();
   if (!expanded_) {
-    // Must use the delay due to bug 18248.
-    HideShelfHandle(kHideDelayMs * 2);
     AttachToShelf(false);
+    HideShelfHandle(0);
   }
 }
 
 int ExtensionShelf::Toolstrip::GetVerticalTearFromShelfThreshold() {
   // TODO(sidchat): Compute this value from the toolstrip height.
   return 29;
 }
 
 void ExtensionShelf::Toolstrip::DetachFromShelf(bool browserDetach) {
   DCHECK(handle_.get());
@@ skipping 554 matching lines @@
 
 bool ExtensionShelf::IsAlwaysShown() const {
   Profile* profile = browser_->profile();
   return profile->GetPrefs()->GetBoolean(prefs::kShowExtensionShelf);
 }
 
 bool ExtensionShelf::OnNewTabPage() const {
   return (browser_ && browser_->GetSelectedTabContents() &&
       browser_->GetSelectedTabContents()->IsExtensionShelfAlwaysVisible());
 }