Add a BeforeDestroyFrame notification method to WebViewDelegate

webkit/glue/webplugin_impl.cc

 // 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.
 
 #include "config.h"
 #include "webkit/glue/webplugin_impl.h"
 
 #include "Cursor.h"
 #include "Document.h"
 #include "DocumentLoader.h"
@@ skipping 616 matching lines @@
 }
 
 void WebPluginImpl::setFrameRect(const WebCore::IntRect& rect) {
   if (!parent())
     return;
 
   // Compute a new position and clip rect for ourselves relative to the
   // containing window.  We ask our delegate to reposition us accordingly.
   WebCore::Frame* frame = element_->document()->frame();
   WebFrameImpl* webframe = WebFrameImpl::FromFrame(frame);
-  WebViewImpl* webview = webframe->webview_impl();
+  WebViewImpl* webview = webframe->GetWebViewImpl();
   // It is valid for this function to be invoked in code paths where the
   // the webview is closed.
   if (!webview->delegate()) {
     return;
   }
 
   WebCore::IntRect window_rect;
   WebCore::IntRect clip_rect;
   std::vector<gfx::Rect> cutout_rects;
   CalculateBounds(rect, &window_rect, &clip_rect, &cutout_rects);
@@ skipping 664 matching lines @@
                                     multipart_boundary);
   multi_part_response_map_[client] = multi_part_response_handler;
 }
 
 bool WebPluginImpl::ReinitializePluginForResponse(
     WebCore::ResourceHandle* response_handle) {
   WebFrameImpl* web_frame = WebFrameImpl::FromFrame(frame());
   if (!web_frame)
     return false;
 
-  WebViewImpl* web_view = web_frame->webview_impl();
+  WebViewImpl* web_view = web_frame->GetWebViewImpl();
   if (!web_view)
     return false;
 
   WebPluginContainer* container_widget = widget_;
 
   // Destroy the current plugin instance.
   TearDownPluginInstance(response_handle);
 
   widget_ = container_widget;
   webframe_ = web_frame;
@@ skipping 81 matching lines @@
     client_index = clients_.erase(client_index);
     if (resource_client)
       resource_client->DidFail();
   }
 
   // This needs to be called now and not in the destructor since the
   // webframe_ might not be valid anymore.
   webframe_->set_plugin_delegate(NULL);
   webframe_ = NULL;
 }