Make HelpApp component extension.

chrome/browser/ui/views/browser_actions_container.cc

 // Copyright (c) 2011 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/views/browser_actions_container.h"
 
 #include "base/stl_util-inl.h"
 #include "base/string_util.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/browser_window.h"
@@ skipping 233 matching lines @@
 
 void BrowserActionButton::OnMouseExited(const views::MouseEvent& e) {
   if (IsPopup() || showing_context_menu_)
     MenuButton::OnMouseExited(e);
   else
     TextButton::OnMouseExited(e);
 }
 
 void BrowserActionButton::ShowContextMenu(const gfx::Point& p,
                                           bool is_mouse_gesture) {
+  // There is nothing in context menu that has sense to show for
+  // component extensions so just ignore the request.
+  if (extension()->location() == Extension::COMPONENT)
+    return;
+
   showing_context_menu_ = true;
   SetButtonPushed();
 
   // Reconstructs the menu every time because the menu's contents are dynamic.
   context_menu_contents_ =
       new ExtensionContextMenuModel(extension(), panel_->browser(), panel_);
   context_menu_menu_.reset(new views::Menu2(context_menu_contents_.get()));
   context_menu_menu_->RunContextMenuAt(p);
 
   SetButtonNotPushed();
@@ skipping 830 matching lines @@
     AnimationEnded(resize_animation_.get());
   }
 }
 
 bool BrowserActionsContainer::ShouldDisplayBrowserAction(
     const Extension* extension) {
   // Only display incognito-enabled extensions while in incognito mode.
   return (!profile_->IsOffTheRecord() ||
           profile_->GetExtensionService()->IsIncognitoEnabled(extension));
 }