harmony: convert collected cookies dialog

chrome/browser/ui/views/harmony/layout_delegate.h

 // 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.
 
 #ifndef CHROME_BROWSER_UI_VIEWS_HARMONY_LAYOUT_DELEGATE_H_
 #define CHROME_BROWSER_UI_VIEWS_HARMONY_LAYOUT_DELEGATE_H_
 
 #include "ui/views/layout/grid_layout.h"
 
 class LayoutDelegate {
  public:
   enum class LayoutDistanceType {
     PANEL_VERT_MARGIN,
     RELATED_CONTROL_HORIZONTAL_SPACING,
     RELATED_CONTROL_VERTICAL_SPACING,
     RELATED_BUTTON_HORIZONTAL_SPACING,
     UNRELATED_CONTROL_VERTICAL_SPACING,
     UNRELATED_CONTROL_LARGE_VERTICAL_SPACING,
     BUTTON_HEDGE_MARGIN_NEW,
     BUTTON_VEDGE_MARGIN_NEW,
   };
 
+  enum class DialogWidthType {
+    SMALL,
+    MEDIUM,
+    LARGE,
+  };
+
   LayoutDelegate() {}
   virtual ~LayoutDelegate() {}
 
   // Returns the active LayoutDelegate singleton, depending on UI configuration.
   // By default, this is the same instance returned by Get(), but if Harmony
   // or another UI style is enabled, this may be an instance of a LayoutDelegate
   // subclass instead.
   static LayoutDelegate* Get();
 
   // Returns a layout distance, indexed by |type|. These distances are in
   // device-independent units.
   virtual int GetLayoutDistance(LayoutDistanceType type) const;
 
   // Returns the alignment used for control labels in a GridLayout; for example,
   // in this GridLayout:
   //   ---------------------------
   //   | Label 1      Checkbox 1 |
   //   | Label 2      Checkbox 2 |
   //   ---------------------------
   // This value controls the alignment used for "Label 1" and "Label 2".
   virtual views::GridLayout::Alignment GetControlLabelGridAlignment() const;
 
   // Returns whether to use extra padding on dialogs. If this is false, content
   // Views for dialogs should not insert extra padding at their own edges.
   virtual bool UseExtraDialogPadding() const;
 
+  // Returns whether Harmony mode is enabled. This method is deprecated and
+  // should only be used in dire circumstances, such as when Harmony specifies a
+  // different distance type than was previously used.
+  virtual bool IsHarmonyMode() const;
+
+  // Returns the preferred width for a dialog of the specified width type. If
+  // there is no preferred width for |type|, returns 0.
+  virtual int GetDialogPreferredWidth(DialogWidthType type) const;
+
  private:
   DISALLOW_COPY_AND_ASSIGN(LayoutDelegate);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_HARMONY_LAYOUT_DELEGATE_H_