Minor cleanup to MaterialRefreshLayoutProvider

Sort headers and include what you use.

Bug: none
Change-Id: I5173a232342a6288d6d1a67ca0705e1e963e15ae
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1728542
Commit-Queue: James Cook <jamescook@chromium.org>
Commit-Queue: Allen Bauer <kylixrd@chromium.org>
Auto-Submit: James Cook <jamescook@chromium.org>
Reviewed-by: Allen Bauer <kylixrd@chromium.org>
Cr-Commit-Position: refs/heads/master@{#682856}

chrome/browser/ui/views/material_refresh_layout_provider.cc

@@ -4,10 +4,17 @@
 
 #include "chrome/browser/ui/views/material_refresh_layout_provider.h"
 
+#include <algorithm>
+
+#include "base/logging.h"
 #include "ui/base/material_design/material_design_controller.h"
+#include "ui/gfx/geometry/insets.h"
+#include "ui/gfx/shadow_value.h"
 #include "ui/views/layout/layout_provider.h"
 
-#include <algorithm>
+MaterialRefreshLayoutProvider::MaterialRefreshLayoutProvider() = default;
+
+MaterialRefreshLayoutProvider::~MaterialRefreshLayoutProvider() = default;
 
 int MaterialRefreshLayoutProvider::GetDistanceMetric(int metric) const {
   switch (metric) {

chrome/browser/ui/views/material_refresh_layout_provider.h

@@ -10,8 +10,8 @@
 
 class MaterialRefreshLayoutProvider : public ChromeLayoutProvider {
  public:
-  MaterialRefreshLayoutProvider() = default;
-  ~MaterialRefreshLayoutProvider() override = default;
+  MaterialRefreshLayoutProvider();
+  ~MaterialRefreshLayoutProvider() override;
 
   // ChromeLayoutProvider:
   int GetDistanceMetric(int metric) const override;
@@ -22,6 +22,9 @@ class MaterialRefreshLayoutProvider : public ChromeLayoutProvider {
       views::EmphasisMetric emphasis_metric) const override;
   gfx::ShadowValues MakeShadowValues(int elevation,
                                      SkColor color) const override;
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(MaterialRefreshLayoutProvider);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_MATERIAL_REFRESH_LAYOUT_PROVIDER_H_