Mac: Attach Extension NSViews to the view hierarchy before creating renderers

chrome/browser/ui/cocoa/extensions/extension_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 CHROME_BROWSER_UI_COCOA_EXTENSIONS_EXTENSION_VIEW_MAC_H_
 #define CHROME_BROWSER_UI_COCOA_EXTENSIONS_EXTENSION_VIEW_MAC_H_
 
 #include "base/basictypes.h"
 #include "chrome/browser/extensions/extension_view.h"
 #include "third_party/skia/include/core/SkBitmap.h"
@@ skipping 35 matching lines @@
 
   ExtensionViewMac(extensions::ExtensionHost* extension_host, Browser* browser);
   ~ExtensionViewMac() override;
 
   // Sets the container for this view.
   void set_container(Container* container) { container_ = container; }
 
   // Informs the view that its containing window's frame changed.
   void WindowFrameChanged();
 
+  // Create the host view, adding it as a subview of |superview|.
+  void CreateWidgetHostViewIn(gfx::NativeView superview);
+
   // extensions::ExtensionView:
-  void Init() override;
   Browser* GetBrowser() override;
   gfx::NativeView GetNativeView() override;
   void ResizeDueToAutoResize(const gfx::Size& new_size) override;
   void RenderViewCreated() override;
   void HandleKeyboardEvent(
       content::WebContents* source,
       const content::NativeWebKeyboardEvent& event) override;
   void DidStopLoading() override;
 
  private:
   content::RenderViewHost* render_view_host() const;
 
-  void CreateWidgetHostView();
-
   // We wait to show the ExtensionView until several things have loaded.
   void ShowIfCompletelyLoaded();
 
   Browser* browser_;  // weak
 
   extensions::ExtensionHost* extension_host_;  // weak
 
   // What we should set the preferred width to once the ExtensionView has
   // loaded.
   gfx::Size pending_preferred_size_;
 
   Container* container_;
 
   DISALLOW_COPY_AND_ASSIGN(ExtensionViewMac);
 };
 
 #endif  // CHROME_BROWSER_UI_COCOA_EXTENSIONS_EXTENSION_VIEW_MAC_H_