Fix several painting glitches for toolstrips.

chrome/browser/views/hwnd_html_view.h

 // Copyright (c) 2006-2008 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_VIEWS_HWND_HTML_VIEW_H_
 #define CHROME_BROWSER_VIEWS_HWND_HTML_VIEW_H_
 
 #include "googleurl/src/gurl.h"
 #include "chrome/views/controls/hwnd_view.h"
 #include "skia/include/SkBitmap.h"
 
 class RenderViewHost;
 class RenderViewHostDelegate;
 class SiteInstance;
 
 // A simple view that wraps a RenderViewHost in an HWNDView to facilitate
 // rendering HTML as arbitrary browser views.
 // TODO(timsteele): (bug 1317303). This should replace DOMView.
 class HWNDHtmlView : public views::HWNDView {
  public:
   HWNDHtmlView(const GURL& content_url, RenderViewHostDelegate* delegate,
                bool allow_dom_ui_bindings, SiteInstance* instance);
   virtual ~HWNDHtmlView();
 
+  // View
+  virtual void SetVisible(bool is_visible);
+
+  virtual void DidChangeBounds(const gfx::Rect& previous,
+                               const gfx::Rect& current);
+
+  // HWNDHtmlView
   RenderViewHost* render_view_host() { return render_view_host_; }
 
   // Initialize the view without a parent window.  Used for extensions that
   // don't display UI.
   void InitHidden();
 
   // Set a custom background for the view. The background will be tiled.
-  void SetBackground(const SkBitmap& background);
+  virtual void SetBackground(const SkBitmap& background);
 
  protected:
   // View overrides.
   virtual void ViewHierarchyChanged(bool is_add, View *parent, View *child);
 
   // Called just before we create the RenderView, to give subclasses an
   // opportunity to do some setup.
   virtual void CreatingRenderer() {}
 
   SiteInstance* site_instance() { return site_instance_; }
@@ skipping 22 matching lines @@
   RenderViewHostDelegate* delegate_;
 
   // The background the view should have once it is initialized. This is set
   // when the view has a custom background, but hasn't been inititalized yet.
   SkBitmap pending_background_;
 
   DISALLOW_EVIL_CONSTRUCTORS(HWNDHtmlView);
 };
 
 #endif  // CHROME_BROWSER_VIEWS_HWND_HTML_VIEW_H_