Move ExtraData from WebRequest to WebDataSource....

webkit/glue/webview_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.
 
 // WebCore provides hooks for several kinds of functionality, allowing separate
 // classes termed "delegates" to receive notifications (in the form of direct
 // function calls) when certain events are about to occur or have just occurred.
 // In some cases, the delegate implements the needed functionality; in others,
 // the delegate has some control over the behavior but doesn't actually
 // implement it.  For example, the UI delegate is responsible for showing a
@@ skipping 200 matching lines @@
       WebFrame* frame,
       const WebRequest* request,
       WebNavigationType type,
       WindowOpenDisposition disposition,
       bool is_redirect) {
     return disposition;
   }
 
   // FrameLoadDelegate -------------------------------------------------------
 
+  // A datasource has been created for a new navigation.  The given datasource
+  // will become the provisional datasource for the frame.
+  virtual void DidCreateDataSource(WebFrame* frame, WebDataSource* ds) {
+  }
+
   // Notifies the delegate that the provisional load of a specified frame in a
   // given WebView has started. By the time the provisional load for a frame has
   // started, we know whether or not the current load is due to a client
   // redirect or not, so we pass this information through to allow us to set
   // the referrer properly in those cases. The consumed_client_redirect_src is
   // an empty invalid GURL in other cases.
   virtual void DidStartProvisionalLoadForFrame(
       WebView* webview,
       WebFrame* frame,
       NavigationGesture gesture) {
@@ skipping 547 matching lines @@
   virtual void DidAddHistoryItem() { }
 
   WebViewDelegate() { }
   virtual ~WebViewDelegate() { }
 
  private:
   DISALLOW_COPY_AND_ASSIGN(WebViewDelegate);
 };
 
 #endif  // WEBKIT_GLUE_WEBVIEW_DELEGATE_H_