Provide a better way of injecting extra diagnostics in feedbacks

chrome/browser/extensions/api/feedback_private/feedback_private_api.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_API_FEEDBACK_PRIVATE_FEEDBACK_PRIVATE_API_H_
 #define CHROME_BROWSER_EXTENSIONS_API_FEEDBACK_PRIVATE_FEEDBACK_PRIVATE_API_H_
 
 #include <memory>
 
 #include "chrome/browser/extensions/chrome_extension_function.h"
@@ skipping 16 matching lines @@
   ~FeedbackPrivateAPI() override;
 
   FeedbackService* GetService() const;
 
 #if defined(OS_CHROMEOS)
   LogSourceAccessManager* GetLogSourceAccessManager() const;
 #endif  // defined(OS_CHROMEOS)
 
   void RequestFeedback(const std::string& description_template,
                        const std::string& category_tag,
+                       const std::string& extra_diagnostics,
                        const GURL& page_url);
 
   void RequestFeedbackForFlow(const std::string& description_template,
                               const std::string& category_tag,
+                              const std::string& extra_diagnostics,
                               const GURL& page_url,
                               api::feedback_private::FeedbackFlow flow);
 
   // BrowserContextKeyedAPI implementation.
   static BrowserContextKeyedAPIFactory<FeedbackPrivateAPI>*
       GetFactoryInstance();
 
  private:
   friend class BrowserContextKeyedAPIFactory<FeedbackPrivateAPI>;
 
@@ skipping 97 matching lines @@
                              FEEDBACKPRIVATE_LOGSRTPROMPTRESULT);
 
  protected:
   ~FeedbackPrivateLogSrtPromptResultFunction() override {}
   AsyncExtensionFunction::ResponseAction Run() override;
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_API_FEEDBACK_PRIVATE_FEEDBACK_PRIVATE_API_H_