Move ExtraData from WebRequest to WebDataSource....

chrome/renderer/render_view.h

 // Copyright (c) 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.
 
 #ifndef CHROME_RENDERER_RENDER_VIEW_H_
 #define CHROME_RENDERER_RENDER_VIEW_H_
 
 #include <string>
 #include <queue>
 #include <vector>
@@ skipping 153 matching lines @@
                               WebFileChooserCallback* file_chooser);
   virtual void AddMessageToConsole(WebView* webview,
                                    const std::wstring& message,
                                    unsigned int line_no,
                                    const std::wstring& source_id);
 
   virtual void DebuggerOutput(const std::wstring& out);
 
   virtual void DidStartLoading(WebView* webview);
   virtual void DidStopLoading(WebView* webview);
+  virtual void DidCreateDataSource(WebFrame* frame, WebDataSource* ds);
   virtual void DidStartProvisionalLoadForFrame(
       WebView* webview,
       WebFrame* frame,
       NavigationGesture gesture);
   virtual void DidReceiveProvisionalLoadServerRedirect(WebView* webview,
                                                        WebFrame* frame);
   virtual void DidFailProvisionalLoadWithError(WebView* webview,
                                                const WebError& error,
                                                WebFrame* frame);
   virtual void LoadNavigationErrorPage(WebFrame* frame,
@@ skipping 610 matching lines @@
   // Cache the preferred width of the page in order to prevent sending the IPC
   // when layout() recomputes it but it doesn't actually change.
   int preferred_width_;
 
   // If true, we send IPC messages when the preferred width changes.
   bool send_preferred_width_changes_;
 
   // The text selection the last time DidChangeSelection got called.
   std::string last_selection_;
 
+  // Holds state pertaining to a navigation that we initiated.  This is held by
+  // the WebDataSource::ExtraData attribute.  We use pending_navigation_state_
+  // as a temporary holder for the state until the WebDataSource corresponding
+  // to the new navigation is created.  See DidCreateDataSource.
+  class NavigationState;
+  scoped_ptr<NavigationState> pending_navigation_state_;
+
   DISALLOW_COPY_AND_ASSIGN(RenderView);
 };
 
 #endif  // CHROME_RENDERER_RENDER_VIEW_H_