ui: Cleanup class/struct forward declarations

chrome/browser/chromeos/power/idle_action_warning_dialog_view.cc

Index: chrome/browser/chromeos/power/idle_action_warning_dialog_view.cc
diff --git a/chrome/browser/chromeos/power/idle_action_warning_dialog_view.cc b/chrome/browser/chromeos/power/idle_action_warning_dialog_view.cc
index d85cc44f9001390218eab9ccbc3d9fc66bb9ac88..9c48d9b46d73df008371df366bb430a60bb6c1f4 100644
--- a/chrome/browser/chromeos/power/idle_action_warning_dialog_view.cc
+++ b/chrome/browser/chromeos/power/idle_action_warning_dialog_view.cc
@@ -63,11 +63,9 @@ IdleActionWarningDialogView::IdleActionWarningDialogView(
     : idle_action_time_(idle_action_time),
       label_(NULL) {
   label_ = new FixedWidthLabel(kIdleActionWarningContentWidth);
-  label_->SetBorder(
-      views::Border::CreateEmptyBorder(views::kPanelVertMargin,
-                                       views::kButtonHEdgeMarginNew,
-                                       views::kPanelVertMargin,
-                                       views::kButtonHEdgeMarginNew));
+  label_->SetBorder(views::CreateEmptyBorder(
+      views::kPanelVertMargin, views::kButtonHEdgeMarginNew,
+      views::kPanelVertMargin, views::kButtonHEdgeMarginNew));
   AddChildView(label_);
   SetLayoutManager(new views::FillLayout());