views: add layout delegates

ui/views/layout/layout_delegate.cc

+// Copyright 2016 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 "ui/views/layout/layout_constants.h"
+#include "ui/views/layout/layout_delegate.h"
+
+namespace views {
+
+int LayoutDelegate::GetLayoutDistance(LayoutDistanceType type) const {
+  switch (type) {
+    case PANEL_VERT_MARGIN:
+      return kPanelVertMargin;
+    case RELATED_BUTTON_HORIZONTAL_SPACING:
+      return kRelatedButtonHSpacing;
+    case RELATED_CONTROL_HORIZONTAL_SPACING:
+      return kRelatedControlHorizontalSpacing;
+    case RELATED_CONTROL_VERTICAL_SPACING:
+      return kRelatedControlVerticalSpacing;
+    case UNRELATED_CONTROL_VERTICAL_SPACING:
+      return kUnrelatedControlVerticalSpacing;
+    case UNRELATED_CONTROL_LARGE_VERTICAL_SPACING:
+      return kUnrelatedControlLargeVerticalSpacing;
+    case BUTTON_VEDGE_MARGIN_NEW:
+      return kButtonVEdgeMarginNew;
+    case BUTTON_HEDGE_MARGIN_NEW:
+      return kButtonHEdgeMarginNew;
+  }
+  return 0;
+}
+
+GridLayout::Alignment LayoutDelegate::GetControlLabelGridAlignment() const {
+  return kControlLabelGridAlignment;
+}
+
+bool LayoutDelegate::UseExtraDialogPadding() const {
+  return true;
+}
+
+}  // namespace views