views: implement width snapping for DialogDelegateViews

chrome/browser/ui/views/importer/import_lock_dialog_view.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/views/importer/import_lock_dialog_view.h"
 
 #include "base/bind.h"
 #include "base/location.h"
 #include "base/metrics/user_metrics.h"
 #include "base/single_thread_task_runner.h"
@@ skipping 35 matching lines @@
   description_label_ = new views::Label(
       l10n_util::GetStringUTF16(IDS_IMPORTER_LOCK_TEXT));
   description_label_->SetMultiLine(true);
   description_label_->SetHorizontalAlignment(gfx::ALIGN_LEFT);
   AddChildView(description_label_);
 }
 
 ImportLockDialogView::~ImportLockDialogView() {
 }
 
-gfx::Size ImportLockDialogView::GetPreferredSize() const {
+gfx::Size ImportLockDialogView::GetUnsnappedPreferredSize() const {
   return gfx::Size(views::Widget::GetLocalizedContentsSize(
       IDS_IMPORTLOCK_DIALOG_WIDTH_CHARS,
       IDS_IMPORTLOCK_DIALOG_HEIGHT_LINES));
 }
 
 void ImportLockDialogView::Layout() {
   gfx::Rect bounds(GetLocalBounds());
   bounds.Inset(views::kButtonHEdgeMarginNew,
                LayoutDelegate::Get()->GetMetric(
                    LayoutDelegate::Metric::PANEL_CONTENT_MARGIN));
@@ skipping 14 matching lines @@
   base::ThreadTaskRunnerHandle::Get()->PostTask(FROM_HERE,
                                                 base::Bind(callback_, true));
   return true;
 }
 
 bool ImportLockDialogView::Cancel() {
   base::ThreadTaskRunnerHandle::Get()->PostTask(FROM_HERE,
                                                 base::Bind(callback_, false));
   return true;
 }