[Extensions] Implement chrome.runtime.openOptionsPage.

chrome/browser/extensions/api/runtime/chrome_runtime_api_delegate.cc

Index: chrome/browser/extensions/api/runtime/chrome_runtime_api_delegate.cc
diff --git a/chrome/browser/extensions/api/runtime/chrome_runtime_api_delegate.cc b/chrome/browser/extensions/api/runtime/chrome_runtime_api_delegate.cc
index 72cc78b5d4252c839e6bc2188bd28edd9424ecc3..1e3eb46cfb6b5b471a0a236c068a1e156f0a60a8 100644
--- a/chrome/browser/extensions/api/runtime/chrome_runtime_api_delegate.cc
+++ b/chrome/browser/extensions/api/runtime/chrome_runtime_api_delegate.cc
@@ -11,6 +11,7 @@
 #include "base/metrics/histogram.h"
 #include "base/time/time.h"
 #include "chrome/browser/extensions/extension_service.h"
+#include "chrome/browser/extensions/extension_tab_util.h"
 #include "chrome/browser/extensions/updater/extension_updater.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/browser_finder.h"
@@ -240,6 +241,15 @@ bool ChromeRuntimeAPIDelegate::RestartDevice(std::string* error_message) {
   return false;
 }
 
+bool ChromeRuntimeAPIDelegate::OpenOptionsPage(const Extension* extension) {
+  Profile* profile = Profile::FromBrowserContext(browser_context_);
+  Browser* browser =
+      chrome::FindLastActiveWithProfile(profile, chrome::GetActiveDesktop());
+  if (!browser)
+    return false;
+  return extensions::ExtensionTabUtil::OpenOptionsPage(extension, browser);
+}
+
 void ChromeRuntimeAPIDelegate::Observe(
     int type,
     const content::NotificationSource& source,