Implement features in NativeViewHostAura for scroll end effect

ui/views/controls/webview/webview.cc

Index: ui/views/controls/webview/webview.cc
diff --git a/ui/views/controls/webview/webview.cc b/ui/views/controls/webview/webview.cc
index 7d12655ad9b2cd1153a818b5226995370ca56e6f..d4a21cbdaac4c820dba407d04ed3dff077fbb03d 100644
--- a/ui/views/controls/webview/webview.cc
+++ b/ui/views/controls/webview/webview.cc
@@ -20,7 +20,6 @@
 #include "ui/base/accessibility/accessible_view_state.h"
 #include "ui/events/event.h"
 #include "ui/views/accessibility/native_view_accessibility.h"
-#include "ui/views/controls/native/native_view_host.h"
 #include "ui/views/focus/focus_manager.h"
 #include "ui/views/views_delegate.h"
 
@@ -105,6 +104,10 @@ void WebView::SetFastResize(bool fast_resize) {
   wcv_holder_->set_fast_resize(fast_resize);
 }
 
+void WebView::SetFastResizeGravity(NativeViewHost::Gravity gravity) {
+  wcv_holder_->set_fast_resize_gravity(gravity);
+}
+
 void WebView::OnWebContentsFocused(content::WebContents* web_contents) {
   FocusManager* focus_manager = GetFocusManager();
   if (focus_manager)