Broke out layout metric information from ViewsDelegate to LayoutProvider

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

-// Copyright 2016 The Chromium Authors. All rights reserved.
+// Copyright 2017 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_HARMONY_LAYOUT_DELEGATE_H_
-#define CHROME_BROWSER_UI_VIEWS_HARMONY_HARMONY_LAYOUT_DELEGATE_H_
+#ifndef CHROME_BROWSER_UI_VIEWS_HARMONY_HARMONY_LAYOUT_PROVIDER_H_
+#define CHROME_BROWSER_UI_VIEWS_HARMONY_HARMONY_LAYOUT_PROVIDER_H_
 
+#include "base/macros.h"
+#include "chrome/browser/ui/views/harmony/chrome_layout_provider.h"
 #include "chrome/browser/ui/views/harmony/harmony_typography_provider.h"
-#include "chrome/browser/ui/views/harmony/layout_delegate.h"
 
-class HarmonyLayoutDelegate : public LayoutDelegate {
+class HarmonyLayoutProvider : public ChromeLayoutProvider {
  public:
   // The Harmony layout unit. All distances are in terms of this unit.
   static constexpr int kHarmonyLayoutUnit = 16;
 
-  HarmonyLayoutDelegate() {}
-  ~HarmonyLayoutDelegate() override {}
+  HarmonyLayoutProvider() {}
+  ~HarmonyLayoutProvider() override {}
 
-  // Returns the singleton HarmonyLayoutDelegate instance.
-  static HarmonyLayoutDelegate* Get();
-
-  // views::LayoutDelegate:
-  int GetMetric(Metric metric) const override;
+  gfx::Insets GetInsetsMetric(int metric) const override;
+  int GetDistanceMetric(int metric) const override;
   views::GridLayout::Alignment GetControlLabelGridAlignment() const override;
   bool UseExtraDialogPadding() const override;
+  bool ShouldShowWindowIcon() const override;
   bool IsHarmonyMode() const override;
   int GetDialogPreferredWidth(DialogWidth width) const override;
-  bool ShouldShowWindowIcon() const override;
   const views::TypographyProvider& GetTypographyProvider() const override;
 
  private:
   const HarmonyTypographyProvider typography_provider_;
 
-  DISALLOW_COPY_AND_ASSIGN(HarmonyLayoutDelegate);
+  DISALLOW_COPY_AND_ASSIGN(HarmonyLayoutProvider);
 };
 
-#endif  // CHROME_BROWSER_UI_VIEWS_HARMONY_HARMONY_LAYOUT_DELEGATE_H_
+#endif  // CHROME_BROWSER_UI_VIEWS_HARMONY_HARMONY_LAYOUT_PROVIDER_H_