MacViews: Guard Objective-C bits in content::WebContentsViewDelegate with __OBJC__

content/public/browser/web_contents_view_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_WIN_DELEGATE_H_
-#define CONTENT_PUBLIC_BROWSER_WEB_CONTENTS_VIEW_WIN_DELEGATE_H_
-
-#if defined(OS_MACOSX)
-#import <Cocoa/Cocoa.h>
-#endif
+#ifndef CONTENT_PUBLIC_BROWSER_WEB_CONTENTS_VIEW_DELEGATE_H_
+#define CONTENT_PUBLIC_BROWSER_WEB_CONTENTS_VIEW_DELEGATE_H_
 
 #include "content/common/content_export.h"
-#include "ui/gfx/native_widget_types.h"
-
-#if defined(OS_MACOSX)
-@protocol RenderWidgetHostViewMacDelegate;
-#endif
 
 namespace gfx {
 class Size;
 }
 
-namespace ui {
-class FocusStoreGtk;
-}
-
 namespace content {
 class RenderFrameHost;
-class RenderWidgetHost;
+class WebContentsViewDelegateMac;
 class WebDragDestDelegate;
 struct ContextMenuParams;
 
 // This interface allows a client to extend the functionality of the
 // WebContentsView implementation.
 class CONTENT_EXPORT WebContentsViewDelegate {
  public:
-  virtual ~WebContentsViewDelegate() {}
+  virtual ~WebContentsViewDelegate();
 
   // Returns a delegate to process drags not handled by content.
-  virtual WebDragDestDelegate* GetDragDestDelegate() = 0;
+  virtual WebDragDestDelegate* GetDragDestDelegate();
 
   // Shows a context menu.
   virtual void ShowContextMenu(RenderFrameHost* render_frame_host,
-                               const ContextMenuParams& params) = 0;
+                               const ContextMenuParams& params);
 
-#if defined(USE_AURA)
-  // These methods allow the embedder to intercept WebContentsViewWin's
-  // implementation of these WebContentsView methods. See the WebContentsView
-  // interface documentation for more information about these methods.
-  virtual void StoreFocus() = 0;
-  virtual void RestoreFocus() = 0;
-  virtual bool Focus() = 0;
-  virtual void TakeFocus(bool reverse) = 0;
-  virtual void SizeChanged(const gfx::Size& size) = 0;
-#elif defined(OS_MACOSX)
-  // Returns a newly-created delegate for the RenderWidgetHostViewMac, to handle
-  // events on the responder chain.
-  virtual NSObject<RenderWidgetHostViewMacDelegate>*
-      CreateRenderWidgetHostViewDelegate(
-          RenderWidgetHost* render_widget_host) = 0;
-#endif
+  // These methods allow the embedder to intercept a WebContentsView's
+  // implementation of these methods. See the WebContentsView interface
+  // documentation for more information about these methods.
+  virtual void StoreFocus();
+  virtual void RestoreFocus();
+  virtual bool Focus();
+  virtual void TakeFocus(bool reverse);
+  virtual void SizeChanged(const gfx::Size& size);
+
+  // On Mac, returns a subclass that has additional Objective-C methods defined.
+  // Otherwise NULL.
+  virtual WebContentsViewDelegateMac* AsWebContentsViewDelegateMac();
 };
 
 }  // namespace content
 
-#endif  // CONTENT_PUBLIC_BROWSER_WEB_CONTENTS_VIEW_WIN_DELEGATE_H_
+#endif  // CONTENT_PUBLIC_BROWSER_WEB_CONTENTS_VIEW_DELEGATE_H_