Move constrained web dialog code back to chrome/.

chrome/browser/ui/webui/print_preview/print_preview_ui.cc

 // Copyright (c) 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/webui/print_preview/print_preview_ui.h"
 
 #include <map>
 
 #include "base/id_map.h"
 #include "base/lazy_instance.h"
@@ skipping 15 matching lines @@
 #include "chrome/common/print_messages.h"
 #include "content/public/browser/web_contents.h"
 #include "printing/page_size_margins.h"
 #include "printing/print_job_constants.h"
 #include "ui/gfx/rect.h"
 #include "ui/web_dialogs/web_dialog_delegate.h"
 #include "ui/web_dialogs/web_dialog_ui.h"
 
 using content::WebContents;
 using printing::PageSizeMargins;
-using ui::ConstrainedWebDialogDelegate;
-using ui::ConstrainedWebDialogUI;
 
 namespace {
 
 // Thread-safe wrapper around a std::map to keep track of mappings from
 // PrintPreviewUI IDs to most recent print preview request IDs.
 class PrintPreviewRequestIdMapWithLock {
  public:
   PrintPreviewRequestIdMapWithLock() {}
   ~PrintPreviewRequestIdMapWithLock() {}
 
@@ skipping 277 matching lines @@
   delegate->OnDialogCloseFromWebUI();
 }
 
 void PrintPreviewUI::OnReloadPrintersList() {
   web_ui()->CallJavascriptFunction("reloadPrintersList");
 }
 
 void PrintPreviewUI::OnPrintPreviewScalingDisabled() {
   web_ui()->CallJavascriptFunction("printScalingDisabledForSourcePDF");
 }