Provide a better way of injecting extra diagnostics in feedbacks

chrome/browser/ui/browser_commands.cc

 // Copyright 2012 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.
 
 #include "chrome/browser/ui/browser_commands.h"
 
 #include "base/command_line.h"
 #include "base/metrics/histogram_macros.h"
 #include "base/metrics/user_metrics.h"
 #include "base/strings/utf_string_conversions.h"
@@ skipping 1098 matching lines @@
 #if !defined(OS_ANDROID)
   base::RecordAction(UserMetricsAction("TaskManager"));
   chrome::ShowTaskManager(browser);
 #else
   NOTREACHED();
 #endif
 }
 
 void OpenFeedbackDialog(Browser* browser, FeedbackSource source) {
   base::RecordAction(UserMetricsAction("Feedback"));
-  chrome::ShowFeedbackPage(browser, source,
-                           std::string() /* description_template */,
-                           std::string() /* category_tag */);
+  chrome::ShowFeedbackPage(
+      browser, source, std::string() /* description_template */,
+      std::string() /* category_tag */, std::string() /* extra_diagnostics */);
 }
 
 void ToggleBookmarkBar(Browser* browser) {
   base::RecordAction(UserMetricsAction("ShowBookmarksBar"));
   ToggleBookmarkBarWhenVisible(browser->profile());
 }
 
 void ShowAppMenu(Browser* browser) {
   // We record the user metric for this event in AppMenu::RunMenu.
   browser->window()->ShowAppMenu();
@@ skipping 172 matching lines @@
 }
 
 bool CanCreateBookmarkApp(const Browser* browser) {
   return extensions::TabHelper::FromWebContents(
              browser->tab_strip_model()->GetActiveWebContents())
       ->CanCreateBookmarkApp();
 }
 #endif  // BUILDFLAG(ENABLE_EXTENSIONS)
 
 }  // namespace chrome