Rename platform-independent ConstrainedWindow types to WebContentsModalDialog types (part 1)

chrome/browser/ui/cocoa/extensions/media_galleries_dialog_cocoa.mm

 // 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/cocoa/extensions/media_galleries_dialog_cocoa.h"
 
 #include "base/sys_string_conversions.h"
 #import "chrome/browser/ui/cocoa/constrained_window/constrained_window_alert.h"
 #import "chrome/browser/ui/cocoa/constrained_window/constrained_window_custom_sheet.h"
 #import "chrome/browser/ui/cocoa/key_equivalent_constants.h"
@@ skipping 99 matching lines @@
     window_.reset(new ConstrainedWindowMac(
         this, controller->web_contents(), sheet));
   }
 }
 
 MediaGalleriesDialogCocoa::~MediaGalleriesDialogCocoa() {
 }
 
 void MediaGalleriesDialogCocoa::OnAcceptClicked() {
   accepted_ = true;
-  window_->CloseConstrainedWindow();
+  window_->CloseWebContentsModalDialog();
 }
 
 void MediaGalleriesDialogCocoa::OnCancelClicked() {
-  window_->CloseConstrainedWindow();
+  window_->CloseWebContentsModalDialog();
 }
 
 void MediaGalleriesDialogCocoa::OnAddFolderClicked() {
   controller_->OnAddFolderClicked();
 }
 
 void MediaGalleriesDialogCocoa::OnCheckboxToggled(NSButton* checkbox) {
  const MediaGalleriesDialogController::KnownGalleryPermissions& permissions =
       controller_->permissions();
   [[[alert_ buttons] objectAtIndex:0] setEnabled:YES];
@@ skipping 79 matching lines @@
 
 // static
 MediaGalleriesDialog* MediaGalleriesDialog::Create(
     MediaGalleriesDialogController* controller) {
   scoped_nsobject<MediaGalleriesCocoaController> cocoa_controller(
       [[MediaGalleriesCocoaController alloc] init]);
   return new MediaGalleriesDialogCocoa(controller, cocoa_controller);
 }
 
 }  // namespace chrome