[Extensions] Show a "refresh" bubble when needed with click-to-script

chrome/browser/ui/extensions/extension_toolbar_icon_surfacing_bubble_delegate.cc

 // Copyright 2015 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/extensions/extension_toolbar_icon_surfacing_bubble_delegate.h"
 
 #include "base/logging.h"
 #include "base/time/time.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/toolbar/toolbar_actions_model.h"
@@ skipping 73 matching lines @@
 base::string16
 ExtensionToolbarIconSurfacingBubbleDelegate::GetDismissButtonText() {
   return base::string16();  // No dismiss button.
 }
 
 base::string16
 ExtensionToolbarIconSurfacingBubbleDelegate::GetLearnMoreButtonText() {
   return base::string16();  // No learn more link.
 }
 
+std::string ExtensionToolbarIconSurfacingBubbleDelegate::GetAnchorActionId() {
+  return std::string();  // Point to the whole set of actions.
+}
+
 void ExtensionToolbarIconSurfacingBubbleDelegate::OnBubbleShown() {
   // Record the last time the bubble was shown.
   profile_->GetPrefs()->SetInt64(
       prefs::kToolbarIconSurfacingBubbleLastShowTime,
       base::Time::Now().ToInternalValue());
 }
 
 void ExtensionToolbarIconSurfacingBubbleDelegate::OnBubbleClosed(
     CloseAction action) {
   if (action == CLOSE_EXECUTE)
     AcknowledgeInPrefs(profile_->GetPrefs());
   ToolbarActionsModel::Get(profile_)->StopHighlighting();
 }