[Extensions] Omit the "Inspect popup" menu item for synthesized actions

chrome/browser/extensions/extension_context_menu_model.cc

 // Copyright (c) 2012 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/extensions/extension_context_menu_model.h"
 
 #include "base/macros.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/app/chrome_command_ids.h"
 #include "chrome/browser/extensions/context_menu_matcher.h"
@@ skipping 330 matching lines @@
   int visibility_string_id =
       GetVisibilityStringId(profile_, extension, button_visibility);
   if (visibility_string_id != -1)
     AddItemWithStringId(TOGGLE_VISIBILITY, visibility_string_id);
 
   if (!is_component_) {
     AddSeparator(ui::NORMAL_SEPARATOR);
     AddItemWithStringId(MANAGE, IDS_MANAGE_EXTENSION);
   }
 
+  const ActionInfo* action_info = ActionInfo::GetPageActionInfo(extension);
+  if (!action_info)
+    action_info = ActionInfo::GetBrowserActionInfo(extension);
   if (profile_->GetPrefs()->GetBoolean(prefs::kExtensionsUIDeveloperMode) &&
-      delegate_ && !is_component_) {
+      delegate_ && !is_component_ && action_info && !action_info->synthesized) {
     AddSeparator(ui::NORMAL_SEPARATOR);
     AddItemWithStringId(INSPECT_POPUP, IDS_EXTENSION_ACTION_INSPECT_POPUP);
   }
 }
 
 const Extension* ExtensionContextMenuModel::GetExtension() const {
   return ExtensionRegistry::Get(profile_)->enabled_extensions().GetByID(
       extension_id_);
 }
 
@@ skipping 94 matching lines @@
     if (runner && runner->WantsToRun(extension))
       runner->RunBlockedActions(extension);
   }
 }
 
 content::WebContents* ExtensionContextMenuModel::GetActiveWebContents() const {
   return browser_->tab_strip_model()->GetActiveWebContents();
 }
 
 }  // namespace extensions