Fixed some edit commands for OOPIF-<webivew> (Mac)

content/browser/renderer_host/render_widget_host_view_mac.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_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_MAC_H_
 #define CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_MAC_H_
 
 #import <Cocoa/Cocoa.h>
 #include <IOSurface/IOSurface.h>
 #include <stddef.h>
@@ skipping 469 matching lines @@
 
   // Returns the TextSelection information for the active widget. If
   // |is_guest_view_hack_| is true, then it will return the TextSelection
   // information for this RenderWidgetHostViewMac (which is serving as a
   // platform view for a guest).
   const TextInputManager::TextSelection* GetTextSelection();
 
   // Get the focused view that should be used for retrieving the text selection.
   RenderWidgetHostViewBase* GetFocusedViewForTextSelection();
 
+  // Returns the RenderWidgetHostDelegate corresponding to the currently focused
+  // RenderWidgetHost. It is different from |render_widget_host_->delegate()|
+  // when there are focused inner WebContentses on the page. Also, this method
+  // can return nullptr; for instance when |render_widget_host_| becomes nullptr
+  // in the destruction path of the WebContentsImpl.
+  RenderWidgetHostDelegate* GetFocusedRenderWidgetHostDelegate();
+
  private:
   friend class RenderWidgetHostViewMacTest;
 
   // Returns whether this render view is a popup (autocomplete window).
   bool IsPopup() const;
 
   // Shuts down the render_widget_host_.  This is a separate function so we can
   // invoke it from the message loop.
   void ShutdownHost();
 
@@ skipping 59 matching lines @@
 
   // Factory used to safely scope delayed calls to ShutdownHost().
   base::WeakPtrFactory<RenderWidgetHostViewMac> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderWidgetHostViewMac);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_MAC_H_