Remove WebContents methods that duplicate WebContentsView methods.

chrome/browser/ui/gtk/panels/panel_gtk.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 "chrome/browser/ui/gtk/panels/panel_gtk.h"
 
 #include <gdk/gdk.h>
 #include <gdk/gdkkeysyms.h>
 #include <X11/XF86keysym.h>
 
@@ skipping 11 matching lines @@
 #include "chrome/browser/ui/gtk/panels/panel_titlebar_gtk.h"
 #include "chrome/browser/ui/gtk/panels/panel_drag_gtk.h"
 #include "chrome/browser/ui/panels/panel.h"
 #include "chrome/browser/ui/panels/panel_constants.h"
 #include "chrome/browser/ui/panels/panel_manager.h"
 #include "chrome/browser/web_applications/web_app.h"
 #include "chrome/common/chrome_notification_types.h"
 #include "content/public/browser/native_web_keyboard_event.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/browser/web_contents.h"
+#include "content/public/browser/web_contents_view.h"
 #include "grit/theme_resources.h"
 #include "grit/ui_resources.h"
 #include "ui/base/accelerators/platform_accelerator_gtk.h"
 #include "ui/base/gtk/gtk_compat.h"
 #include "ui/base/gtk/gtk_expanded_container.h"
 #include "ui/base/gtk/gtk_hig_constants.h"
 #include "ui/base/x/active_window_watcher_x.h"
 #include "ui/gfx/canvas.h"
 #include "ui/gfx/image/cairo_cached_surface.h"
 #include "ui/gfx/image/image.h"
@@ skipping 892 matching lines @@
   // any app running in full screen mode.
 }
 
 void PanelGtk::PanelExpansionStateChanging(
     Panel::ExpansionState old_state, Panel::ExpansionState new_state) {
 }
 
 void PanelGtk::AttachWebContents(content::WebContents* contents) {
   if (!contents)
     return;
-  gfx::NativeView widget = contents->GetNativeView();
+  gfx::NativeView widget = contents->GetView()->GetNativeView();
   if (widget) {
     gtk_container_add(GTK_CONTAINER(contents_expanded_), widget);
     gtk_widget_show(widget);
     contents->WasShown();
   }
 }
 
 void PanelGtk::DetachWebContents(content::WebContents* contents) {
-  gfx::NativeView widget = contents->GetNativeView();
+  gfx::NativeView widget = contents->GetView()->GetNativeView();
   if (widget) {
     GtkWidget* parent = gtk_widget_get_parent(widget);
     if (parent) {
       DCHECK_EQ(parent, contents_expanded_);
       gtk_container_remove(GTK_CONTAINER(contents_expanded_), widget);
     }
   }
 }
 
 gfx::Size PanelGtk::WindowSizeFromContentSize(
@@ skipping 202 matching lines @@
     default:
       NOTREACHED();
       return false;
   }
   return gtk_widget_get_visible(button->widget());
 }
 
 panel::CornerStyle GtkNativePanelTesting::GetWindowCornerStyle() const {
   return panel_gtk_->corner_style_;
 }