Start consolidating cross-port file selection code into ui/base/dialogs.

chrome/browser/download/download_file_picker.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/download/download_file_picker.h"
 
 #include "base/metrics/histogram.h"
 #include "chrome/browser/download/download_prefs.h"
 #include "chrome/browser/platform_util.h"
+#include "chrome/browser/ui/chrome_select_file_policy.h"
 #include "content/public/browser/download_item.h"
 #include "content/public/browser/download_manager.h"
 #include "content/public/browser/web_contents.h"
 #include "grit/generated_resources.h"
 #include "ui/base/l10n/l10n_util.h"
 
 using content::DownloadItem;
 using content::DownloadManager;
 using content::WebContents;
 
@@ skipping 37 matching lines @@
 DownloadFilePicker::DownloadFilePicker() : download_id_(0) {
 }
 
 void DownloadFilePicker::Init(DownloadManager* download_manager,
                               DownloadItem* item) {
   download_manager_ = download_manager;
   download_id_ = item->GetId();
   InitSuggestedPath(item);
 
   DCHECK(download_manager_);
-  select_file_dialog_ = SelectFileDialog::Create(this);
+  WebContents* web_contents = item->GetWebContents();
+  select_file_dialog_ = SelectFileDialog::Create(
+      this, new ChromeSelectFilePolicy(web_contents));
   SelectFileDialog::FileTypeInfo file_type_info;
   FilePath::StringType extension = suggested_path_.Extension();
   if (!extension.empty()) {
     extension.erase(extension.begin());  // drop the .
     file_type_info.extensions.resize(1);
     file_type_info.extensions[0].push_back(extension);
   }
   file_type_info.include_all_files = true;
-  WebContents* web_contents = item->GetWebContents();
   gfx::NativeWindow owning_window = web_contents ?
       platform_util::GetTopLevel(web_contents->GetNativeView()) : NULL;
 
-  select_file_dialog_->SelectFile(SelectFileDialog::SELECT_SAVEAS_FILE,
-                                  string16(),
-                                  suggested_path_,
-                                  &file_type_info, 0, FILE_PATH_LITERAL(""),
-                                  web_contents, owning_window, NULL);
+  select_file_dialog_->SelectFile(
+      SelectFileDialog::SELECT_SAVEAS_FILE,
+      string16(),
+      suggested_path_,
+      &file_type_info,
+      0,
+      FILE_PATH_LITERAL(""),
+      owning_window,
+      NULL);
 }
 
 DownloadFilePicker::~DownloadFilePicker() {
 }
 
 void DownloadFilePicker::InitSuggestedPath(DownloadItem* item) {
   set_suggested_path(item->GetTargetFilePath());
 }
 
 void DownloadFilePicker::RecordFileSelected(const FilePath& path) {
@@ skipping 10 matching lines @@
     download_manager_->FileSelected(path, download_id_);
   delete this;
 }
 
 void DownloadFilePicker::FileSelectionCanceled(void* params) {
   RecordFilePickerResult(download_manager_, FILE_PICKER_CANCEL);
   if (download_manager_)
     download_manager_->FileSelectionCanceled(download_id_);
   delete this;
 }