Move creation of content TabContentsViews to content so that we can hide these headers through DEPS…

content/public/browser/web_contents_view_gtk_delegate.h

-// 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.
-
-#ifndef CONTENT_PUBLIC_BROWSER_WEB_CONTENTS_VIEW_GTK_DELEGATE_H_
-#define CONTENT_PUBLIC_BROWSER_WEB_CONTENTS_VIEW_GTK_DELEGATE_H_
-#pragma once
-
-#include <gtk/gtk.h>
-
-#include "content/common/content_export.h"
-#include "ui/gfx/native_widget_types.h"
-
-
-namespace content {
-
-class TabContentsViewGtk;
-struct ContextMenuParams;
-
-// An object that supplies the Gtk parent of TabContentsViewGtk. Embedders may
-// want to insert widgets that provide features that live with the
-// TabContentsViewGtk.
-class CONTENT_EXPORT WebContentsViewGtkDelegate {
- public:
-  // Initializes the WebContentsViewGtkDelegate by taking |view| and adding it
-  // this object's GtkContainer.
-  virtual void WrapView(TabContentsViewGtk* view) = 0;
-
-  // Returns the top widget that contains |view| passed in from WrapView. This
-  // is exposed through TabContentsViewGtk::GetNativeView() when a wrapper is
-  // supplied to a TabContentsViewGtk.
-  virtual gfx::NativeView GetNativeView() const = 0;
-
-  // Called during the TabContentsViewGtk. Used to associate drag handlers.
-  virtual void OnCreateViewForWidget() = 0;
-
-  // Handles a focus event from the renderer process.
-  virtual void Focus() = 0;
-
-  // Gives WebContentsViewGtkDelegate a first chance at focus events from our
-  // render widget host, before the main view invokes its default
-  // behaviour. Returns TRUE if |return_value| has been set and that value
-  // should be returned to GTK+.
-  virtual gboolean OnNativeViewFocusEvent(GtkWidget* widget,
-                                          GtkDirectionType type,
-                                          gboolean* return_value) = 0;
-
-  // Complete hack because I have no idea where else to put this platform
-  // specific crud.
-  virtual void ShowContextMenu(const content::ContextMenuParams& params) = 0;
-
-  virtual ~WebContentsViewGtkDelegate() {}
-};
-
-}  // namespace content
-
-#endif  // CONTENT_PUBLIC_BROWSER_WEB_CONTENTS_VIEW_GTK_DELEGATE_H_