Move ExtensionOptionsGuest code from chrome to extensions

extensions/browser/api/extensions_api_client.h

Index: extensions/browser/api/extensions_api_client.h
diff --git a/extensions/browser/api/extensions_api_client.h b/extensions/browser/api/extensions_api_client.h
index 62f187ddb66ee4831f0523b249c4ff659f461112..77fb90970e342ac0ab18533216673978f8ebf600 100644
--- a/extensions/browser/api/extensions_api_client.h
+++ b/extensions/browser/api/extensions_api_client.h
@@ -24,6 +24,7 @@ class BrowserContext;
 namespace extensions {
 
 class AppViewGuestDelegate;
+class ExtensionOptionsGuestDelegate;
 class MimeHandlerViewGuest;
 class MimeHandlerViewGuestDelegate;
 class WebViewGuest;
@@ -61,6 +62,11 @@ class ExtensionsAPIClient {
   // Creates the AppViewGuestDelegate.
   virtual AppViewGuestDelegate* CreateAppViewGuestDelegate() const;
 
+  // Returns a delegate for ExtensionOptionsGuest. The caller owns the returned
+  // ExtensionOptionsGuestDelegate.
+  virtual ExtensionOptionsGuestDelegate* CreateExtensionOptionsGuestDelegate()
+      const;
+
   // Creates a delegate for MimeHandlerViewGuest.
   virtual scoped_ptr<MimeHandlerViewGuestDelegate>
       CreateMimeHandlerViewGuestDelegate(MimeHandlerViewGuest* guest) const;
@@ -76,8 +82,6 @@ class ExtensionsAPIClient {
       CreateWebViewPermissionHelperDelegate (
           WebViewPermissionHelper* web_view_permission_helper) const;
 
-  virtual void RegisterGuestViewTypes() {}
-
   // TODO(wjmaclean): Remove this as soon as rules_registry_service.* moves to
   // extensions/browser/api/declarative/.
   virtual scoped_refptr<RulesRegistry> GetRulesRegistry(