Implement features in NativeViewHostAura for scroll end effect

ui/views/controls/webview/webview.cc

 // Copyright (c) 2012 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.
 
 #include "ui/views/controls/webview/webview.h"
 
 #include "content/public/browser/browser_accessibility_state.h"
 #include "content/public/browser/browser_context.h"
 #include "content/public/browser/navigation_controller.h"
 #include "content/public/browser/notification_details.h"
 #include "content/public/browser/notification_registrar.h"
 #include "content/public/browser/notification_source.h"
 #include "content/public/browser/notification_types.h"
 #include "content/public/browser/render_view_host.h"
 #include "content/public/browser/render_widget_host_view.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/browser/web_contents_view.h"
 #include "ipc/ipc_message.h"
 #include "ui/base/accessibility/accessibility_types.h"
 #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"
 
 namespace views {
 
 // static
 const char WebView::kViewClassName[] = "WebView";
 
 ////////////////////////////////////////////////////////////////////////////////
 // WebView, public:
@@ skipping 64 matching lines @@
 void WebView::LoadInitialURL(const GURL& url) {
   GetWebContents()->GetController().LoadURL(
       url, content::Referrer(), content::PAGE_TRANSITION_AUTO_TOPLEVEL,
       std::string());
 }
 
 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)
     focus_manager->SetFocusedView(this);
 }
 
 void WebView::SetPreferredSize(const gfx::Size& preferred_size) {
   preferred_size_ = preferred_size;
   PreferredSizeChanged();
 }
@@ skipping 201 matching lines @@
   if (!contents) {
     content::WebContents::CreateParams create_params(
         browser_context, site_instance);
     return content::WebContents::Create(create_params);
   }
 
   return contents;
 }
 
 }  // namespace views