Separate SwipeRefreshHandler and ContentViewCore

content/browser/web_contents/web_contents_view_android.h

Index: content/browser/web_contents/web_contents_view_android.h
diff --git a/content/browser/web_contents/web_contents_view_android.h b/content/browser/web_contents/web_contents_view_android.h
index 2c655a6f62aaf80e8815f7924b116e6073e067f6..c1ad8dc0a6065561d92d3f937ff69435b045d676 100644
--- a/content/browser/web_contents/web_contents_view_android.h
+++ b/content/browser/web_contents/web_contents_view_android.h
@@ -13,6 +13,7 @@
 #include "content/public/browser/web_contents_view_delegate.h"
 #include "content/public/common/context_menu_params.h"
 #include "content/public/common/drop_data.h"
+#include "ui/android/overscroll_refresh.h"
 #include "ui/android/view_android.h"
 #include "ui/gfx/geometry/rect_f.h"
 
@@ -42,6 +43,9 @@ class WebContentsViewAndroid : public WebContentsView,
     return synchronous_compositor_client_;
   }
 
+  void SetOverscrollRefreshHandler(
+      std::unique_ptr<ui::OverscrollRefreshHandler> overscroll_refresh_handler);
+
   // WebContentsView implementation --------------------------------------------
   gfx::NativeView GetNativeView() const override;
   gfx::NativeView GetContentNativeView() const override;
@@ -79,6 +83,7 @@ class WebContentsViewAndroid : public WebContentsView,
                      bool right_aligned,
                      bool allow_multiple_selection) override;
   void HidePopupMenu() override;
+  ui::OverscrollRefreshHandler* GetOverscrollRefreshHandler() const override;
   void StartDragging(const DropData& drop_data,
                      blink::WebDragOperationsMask allowed_ops,
                      const gfx::ImageSkia& image,
@@ -107,6 +112,9 @@ class WebContentsViewAndroid : public WebContentsView,
   // ContentViewCoreImpl is our interface to the view system.
   ContentViewCoreImpl* content_view_core_;
 
+  // Handles "overscroll to refresh" events
+  std::unique_ptr<ui::OverscrollRefreshHandler> overscroll_refresh_handler_;
+
   // Interface for extensions to WebContentsView. Used to show the context menu.
   std::unique_ptr<WebContentsViewDelegate> delegate_;