[Extensions] Implement chrome.runtime.openOptionsPage.

chrome/browser/extensions/extension_tab_util.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_tab_util.h"
 
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/stringprintf.h"
 #include "chrome/browser/extensions/api/tabs/tabs_constants.h"
 #include "chrome/browser/extensions/chrome_extension_function.h"
@@ skipping 557 matching lines @@
 // static
 WindowController* ExtensionTabUtil::GetWindowControllerOfTab(
     const WebContents* web_contents) {
   Browser* browser = chrome::FindBrowserWithWebContents(web_contents);
   if (browser != NULL)
     return browser->extension_window_controller();
 
   return NULL;
 }
 
-void ExtensionTabUtil::OpenOptionsPage(const Extension* extension,
+bool ExtensionTabUtil::OpenOptionsPage(const Extension* extension,
                                        Browser* browser) {
-  DCHECK(OptionsPageInfo::HasOptionsPage(extension));
+  if (!OptionsPageInfo::HasOptionsPage(extension))
+    return false;
 
   // Force the options page to open in non-OTR window, because it won't be
   // able to save settings from OTR.
   scoped_ptr<chrome::ScopedTabbedBrowserDisplayer> displayer;
   if (browser->profile()->IsOffTheRecord()) {
     displayer.reset(new chrome::ScopedTabbedBrowserDisplayer(
         browser->profile()->GetOriginalProfile(),
         browser->host_desktop_type()));
     browser = displayer->browser();
   }
@@ skipping 19 matching lines @@
                                   content::Referrer(),
                                   SINGLETON_TAB,
                                   ui::PAGE_TRANSITION_LINK,
                                   false);
     browser->OpenURL(params);
     browser->window()->Show();
     WebContents* web_contents =
         browser->tab_strip_model()->GetActiveWebContents();
     web_contents->GetDelegate()->ActivateContents(web_contents);
   }
+
+  return true;
 }
 
 }  // namespace extensions