Guard against NULL webview in dispatchDidFinishDocumentLoad. The...

webkit/glue/webframeloaderclient_impl.cc

 // Copyright (c) 2006-2009 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 <string>
 #include <vector>
 
 #include "Chrome.h"
@@ skipping 302 matching lines @@
                                                   const ResourceError& error) {
   WebViewImpl* webview = webframe_->GetWebViewImpl();
   if (webview && webview->delegate()) {
     webview->delegate()->DidFailLoadingWithError(
         webframe_, identifier, webkit_glue::ResourceErrorToWebURLError(error));
   }
 }
 
 void WebFrameLoaderClient::dispatchDidFinishDocumentLoad() {
   WebViewImpl* webview = webframe_->GetWebViewImpl();
-  WebViewDelegate* d = webview->delegate();
   DocumentLoader* documentLoader =
       webframe_->frame()->loader()->activeDocumentLoader();
   WebDataSourceImpl* data_source =
       WebDataSourceImpl::fromDocumentLoader(documentLoader);
 
   // A frame may be reused.  This call ensures we don't hold on to our password
   // listeners and their associated HTMLInputElements.
   webframe_->ClearPasswordListeners();
 
-  if (d)
-    d->DidFinishDocumentLoadForFrame(webview, webframe_);
+  if (webview && webview->delegate())
+    webview->delegate()->DidFinishDocumentLoadForFrame(webview, webframe_);
 }
 
 bool WebFrameLoaderClient::dispatchDidLoadResourceFromMemoryCache(
     DocumentLoader* loader,
     const ResourceRequest& request,
     const ResourceResponse& response,
     int length) {
   WebViewImpl* webview = webframe_->GetWebViewImpl();
   WebViewDelegate* d = webview->delegate();
 
@@ skipping 1032 matching lines @@
   WebViewDelegate* d = webframe_->GetWebViewImpl()->delegate();
   if (d)
     d->NavigateBackForwardSoon(offset);
 }
 
 PassOwnPtr<WebPluginLoadObserver> WebFrameLoaderClient::GetPluginLoadObserver() {
   WebDataSourceImpl* ds = WebDataSourceImpl::fromDocumentLoader(
       webframe_->frame()->loader()->activeDocumentLoader());
   return ds->releasePluginLoadObserver();
 }