Hookup the plugin placeholder to the Flash permission prompt

chrome/browser/permissions/permissions_browsertest.h

 // Copyright 2016 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_PERMISSIONS_PERMISSIONS_BROWSERTEST_H_
 #define CHROME_BROWSER_PERMISSIONS_PERMISSIONS_BROWSERTEST_H_
 
 #include <string>
 
 #include "chrome/test/base/in_process_browser_test.h"
@@ skipping 28 matching lines @@
 
   MockPermissionPromptFactory* prompt_factory() {
     return prompt_factory_.get();
   }
 
  protected:
   bool RunScriptReturnBool(const std::string& script);
 
   content::WebContents* GetWebContents();
 
+  GURL GetTestUrl();
+
   // Common tests that should be called by subclasses.
   void CommonFailsBeforeRequesting();
   void CommonFailsIfDismissed();
   void CommonFailsIfBlocked();
   void CommonSucceedsIfAllowed();
 
  private:
   std::string test_url_;
   std::unique_ptr<MockPermissionPromptFactory> prompt_factory_;
 };
 
 #endif  // CHROME_BROWSER_PERMISSIONS_PERMISSIONS_BROWSERTEST_H_