Make chrome_plugin_host.cc and chrome_plugin_util.cc compile on Posix.

chrome/browser/modal_html_dialog_delegate.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_MODAL_HTML_DIALOG_DELEGATE_H_
 #define CHROME_BROWSER_MODAL_HTML_DIALOG_DELEGATE_H_
 
 #include <vector>
 
+#include "base/gfx/size.h"
 #include "chrome/browser/dom_ui/html_dialog_contents.h"
 #include "chrome/common/notification_observer.h"
 
 // This class can only be used on the UI thread.
 class ModalHtmlDialogDelegate
     : public HtmlDialogContentsDelegate,
       public NotificationObserver {
  public:
   ModalHtmlDialogDelegate(const GURL& url,
                           int width, int height,
                           const std::string& json_arguments,
                           IPC::Message* sync_result,
                           WebContents* contents);
   ~ModalHtmlDialogDelegate();
 
   // Notification service callback.
   virtual void Observe(NotificationType type,
                        const NotificationSource& source,
                        const NotificationDetails& details);
 
   // HTMLDialogContentsDelegate implementation:
   virtual bool IsDialogModal() const;
   virtual std::wstring GetDialogTitle() const { return L"Google Gears"; }
   virtual GURL GetDialogContentURL() const;
-  virtual void GetDialogSize(CSize* size) const;
+  virtual void GetDialogSize(gfx::Size* size) const;
   virtual std::string GetDialogArgs() const;
   virtual void OnDialogClosed(const std::string& json_retval);
 
  private:
   // Invoked from the destructor or when we receive notification the web
   // contents has been disconnnected. Removes the observer from the WebContents
   // and NULLs out contents_.
   void RemoveObserver();
 
   // The WebContents that opened the dialog.
   WebContents* contents_;
 
   // The parameters needed to display a modal HTML dialog.
   HtmlDialogContents::HtmlDialogParams params_;
 
   // Once we get our reply in OnModalDialogResponse we'll need to respond to the
   // plugin using this |sync_result| pointer so we store it between calls.
   IPC::Message* sync_response_;
 
   DISALLOW_COPY_AND_ASSIGN(ModalHtmlDialogDelegate);
 };
 
 #endif  // CHROME_BROWSER_MODAL_HTML_DIALOG_DELEGATE_H_