Instrument "Remove this person" in user manager.

chrome/browser/ui/webui/options/manage_profile_handler.cc

 // Copyright (c) 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.
 
 #include "chrome/browser/ui/webui/options/manage_profile_handler.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/prefs/pref_service.h"
 #include "base/prefs/scoped_user_pref_update.h"
@@ skipping 46 matching lines @@
 // Given |args| from the WebUI, parses value 0 as a FilePath |profile_file_path|
 // and returns true on success.
 bool GetProfilePathFromArgs(const base::ListValue* args,
                             base::FilePath* profile_file_path) {
   const base::Value* file_path_value;
   if (!args->Get(0, &file_path_value))
     return false;
   return base::GetValueAsFilePath(*file_path_value, profile_file_path);
 }
 
+void HandleDeleteUserDialogShown(const base::ListValue* args) {

[Dan Beam, 2015/03/19 17:28:39]

nit: HandleLogDeleteUserDialogShown

+  ProfileMetrics::LogProfileDeleteUser(
+      ProfileMetrics::DELETE_PROFILE_SETTINGS_SHOW_WARNING);
+}
+
 }  // namespace
 
 ManageProfileHandler::ManageProfileHandler()
     : weak_factory_(this) {
 }
 
 ManageProfileHandler::~ManageProfileHandler() {
   ProfileSyncService* service =
       ProfileSyncServiceFactory::GetForProfile(Profile::FromWebUI(web_ui()));
   // Sync may be disabled in tests.
@@ skipping 101 matching lines @@
   web_ui()->RegisterMessageCallback("removeProfileShortcut",
       base::Bind(&ManageProfileHandler::RemoveProfileShortcut,
                  base::Unretained(this)));
   web_ui()->RegisterMessageCallback("refreshGaiaPicture",
       base::Bind(&ManageProfileHandler::RefreshGaiaPicture,
                  base::Unretained(this)));
   web_ui()->RegisterMessageCallback(
       "showDisconnectManagedProfileDialog",
       base::Bind(&ManageProfileHandler::ShowDisconnectManagedProfileDialog,
                  base::Unretained(this)));
+  web_ui()->RegisterMessageCallback("logDeleteUserDialogShown",
+      base::Bind(&HandleDeleteUserDialogShown));
 }
 
 void ManageProfileHandler::Uninitialize() {
   g_browser_process->profile_manager()->
       GetProfileInfoCache().RemoveObserver(this);
 }
 
 void ManageProfileHandler::OnProfileAdded(const base::FilePath& profile_path) {
   SendExistingProfileNames();
 }
@@ skipping 351 matching lines @@
 
   // Update the UI buttons.
   OnHasProfileShortcuts(false);
 }
 
 void ManageProfileHandler::RefreshGaiaPicture(const base::ListValue* args) {
   profiles::UpdateGaiaProfileInfoIfNeeded(Profile::FromWebUI(web_ui()));
 }
 
 }  // namespace options