chrome: Refactor the way to show the feedback ui and move it into chrome namespace.

chrome/browser/ui/browser_commands.cc

Index: chrome/browser/ui/browser_commands.cc
diff --git a/chrome/browser/ui/browser_commands.cc b/chrome/browser/ui/browser_commands.cc
index bea0df9603bbc040240c2888c72b9176f38d0ab5..423efc915ea14d1bdfdb860592384f17b6eef198 100644
--- a/chrome/browser/ui/browser_commands.cc
+++ b/chrome/browser/ui/browser_commands.cc
@@ -38,6 +38,7 @@
 #include "chrome/browser/ui/browser_tab_restore_service_delegate.h"
 #include "chrome/browser/ui/browser_tabstrip.h"
 #include "chrome/browser/ui/browser_window.h"
+#include "chrome/browser/ui/chrome_pages.h"
 #include "chrome/browser/ui/constrained_window_tab_helper.h"
 #include "chrome/browser/ui/find_bar/find_bar_controller.h"
 #include "chrome/browser/ui/find_bar/find_tab_helper.h"
@@ -49,7 +50,6 @@
 #include "chrome/browser/ui/status_bubble.h"
 #include "chrome/browser/ui/tab_contents/tab_contents.h"
 #include "chrome/browser/ui/tabs/tab_strip_model.h"
-#include "chrome/browser/ui/webui/feedback_ui.h"
 #include "chrome/browser/ui/webui/ntp/app_launcher_handler.h"
 #include "chrome/browser/web_applications/web_app.h"
 #include "chrome/common/chrome_switches.h"
@@ -838,7 +838,7 @@ void OpenTaskManager(Browser* browser, bool highlight_background_resources) {
 
 void OpenFeedbackDialog(Browser* browser) {
   content::RecordAction(UserMetricsAction("Feedback"));
-  browser::ShowWebFeedbackView(browser, std::string(), std::string());
+  chrome::ShowFeedbackPage(browser, std::string(), std::string());
 }
 
 void ToggleBookmarkBar(Browser* browser) {