[Extensions] Implement chrome.runtime.openOptionsPage.

chrome/browser/extensions/extension_tab_util.cc

Index: chrome/browser/extensions/extension_tab_util.cc
diff --git a/chrome/browser/extensions/extension_tab_util.cc b/chrome/browser/extensions/extension_tab_util.cc
index 400922144ec68b409456100a7023afd5e221623b..d5feb70183a271e5aec92d7e595b1deb81a163d8 100644
--- a/chrome/browser/extensions/extension_tab_util.cc
+++ b/chrome/browser/extensions/extension_tab_util.cc
@@ -575,9 +575,10 @@ WindowController* ExtensionTabUtil::GetWindowControllerOfTab(
   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.
@@ -617,6 +618,8 @@ void ExtensionTabUtil::OpenOptionsPage(const Extension* extension,
         browser->tab_strip_model()->GetActiveWebContents();
     web_contents->GetDelegate()->ActivateContents(web_contents);
   }
+
+  return true;
 }
 
 }  // namespace extensions