Extract a minimal subset of WebDialogUI/WebDialogDelegate from src/chrome -> src/ui/web_dialogs

chrome/browser/printing/print_dialog_cloud_internal.h

Index: chrome/browser/printing/print_dialog_cloud_internal.h
===================================================================
--- chrome/browser/printing/print_dialog_cloud_internal.h	(revision 134857)
+++ chrome/browser/printing/print_dialog_cloud_internal.h	(working copy)
@@ -13,7 +13,7 @@
 #include "base/file_path.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/synchronization/lock.h"
-#include "chrome/browser/ui/webui/web_dialog_ui.h"
+#include "ui/web_dialogs/web_dialog_ui.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
 #include "content/public/browser/web_ui_message_handler.h"
@@ -156,7 +156,7 @@
 // State machine used to run the printing dialog.  This class is used
 // to open and run the web dialog and deletes itself when the dialog
 // is closed.
-class CloudPrintWebDialogDelegate : public WebDialogDelegate {
+class CloudPrintWebDialogDelegate : public views::WebDialogDelegate {
  public:
   CloudPrintWebDialogDelegate(const FilePath& path_to_file,
                               int width, int height,
@@ -203,7 +203,7 @@
   FilePath path_to_file_;
 
   // The parameters needed to display a modal web dialog.
-  WebDialogUI::WebDialogParams params_;
+  views::WebDialogUI::WebDialogParams params_;
 
   DISALLOW_COPY_AND_ASSIGN(CloudPrintWebDialogDelegate);
 };