[Extensions] Consolidate ExtensionFunction::SendResponse()s

chrome/browser/extensions/chrome_extension_function.h

 // Copyright 2013 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.
 
 #ifndef CHROME_BROWSER_EXTENSIONS_CHROME_EXTENSION_FUNCTION_H_
 #define CHROME_BROWSER_EXTENSIONS_CHROME_EXTENSION_FUNCTION_H_
 
 #include "chrome/browser/extensions/chrome_extension_function_details.h"
 #include "extensions/browser/extension_function.h"
 
@@ skipping 40 matching lines @@
   // TODO(stevenjb): Replace this with GetExtensionWindowController().
   Browser* GetCurrentBrowser();
 
   // Same as above but uses WindowControllerList instead of BrowserList.
   extensions::WindowController* GetExtensionWindowController();
 
   // Gets the "current" web contents if any. If there is no associated web
   // contents then defaults to the foremost one.
   content::WebContents* GetAssociatedWebContents() override;
 
+  // Responds with success/failure. |results_| or |error_| should be set
+  // accordingly.
+  void SendResponse(bool success);
+
  protected:
   ~ChromeUIThreadExtensionFunction() override;
 
  private:
   ChromeExtensionFunctionDetails chrome_details_;
 };
 
 // A chrome specific analog to AsyncExtensionFunction. This has access to a
 // chrome Profile.
 //
@@ skipping 42 matching lines @@
   static bool ValidationFailure(ChromeSyncExtensionFunction* function);
 
  private:
   // If you're hitting a compile error here due to "final" - great! You're doing
   // the right thing, you just need to extend ChromeUIThreadExtensionFunction
   // instead of ChromeSyncExtensionFunction.
   ResponseAction Run() final;
 };
 
 #endif  // CHROME_BROWSER_EXTENSIONS_CHROME_EXTENSION_FUNCTION_H_