Remove DialogDelegate::UseNewStyle and unused code.

chrome/browser/ui/views/importer/import_lock_dialog_view.cc

Index: chrome/browser/ui/views/importer/import_lock_dialog_view.cc
diff --git a/chrome/browser/ui/views/importer/import_lock_dialog_view.cc b/chrome/browser/ui/views/importer/import_lock_dialog_view.cc
index dcc97208e4fdd7baf602c9a517b041bafc7125a1..1389f6ea150b68444db02758ffd918cbdd50978f 100644
--- a/chrome/browser/ui/views/importer/import_lock_dialog_view.cc
+++ b/chrome/browser/ui/views/importer/import_lock_dialog_view.cc
@@ -57,19 +57,9 @@ gfx::Size ImportLockDialogView::GetPreferredSize() {
 }
 
 void ImportLockDialogView::Layout() {
-  if (DialogDelegate::UseNewStyle()) {
-    description_label_->SetBounds(
-        views::kButtonHEdgeMargin,
-        views::kPanelVertMargin,
-        width() - 2 * views::kButtonHEdgeMargin,
-        height() - 2 * views::kPanelVertMargin);
-  } else {
-    description_label_->SetBounds(
-        views::kPanelHorizMargin,
-        views::kPanelVertMargin,
-        width() - 2 * views::kPanelHorizMargin,
-        height() - 2 * views::kPanelVertMargin);
-  }
+  gfx::Rect bounds(GetLocalBounds());
+  bounds.Inset(views::kButtonHEdgeMargin, views::kPanelVertMargin);
+  description_label_->SetBoundsRect(bounds);
 }
 
 string16 ImportLockDialogView::GetDialogButtonLabel(