Support sending a sliced file in chromium....

chrome/renderer/renderer_webkitclient_impl.h

 // Copyright (c) 2010 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_RENDERER_WEBKITCLIENT_IMPL_H_
 #define CHROME_RENDERER_RENDERER_WEBKITCLIENT_IMPL_H_
 
 #include "base/platform_file.h"
 #include "chrome/renderer/websharedworkerrepository_impl.h"
 #include "webkit/glue/simple_webmimeregistry_impl.h"
@@ skipping 17 matching lines @@
  public:
   RendererWebKitClientImpl() : sudden_termination_disables_(0) {}
 
   // WebKitClient methods:
   virtual WebKit::WebClipboard* clipboard();
   virtual WebKit::WebMimeRegistry* mimeRegistry();
   virtual WebKit::WebSandboxSupport* sandboxSupport();
   virtual WebKit::WebCookieJar* cookieJar();
   virtual bool sandboxEnabled();
   virtual bool getFileSize(const WebKit::WebString& path, long long& result);
+  virtual bool getFileModificationTime(const WebKit::WebString& path,
+                                       double& result);
   virtual unsigned long long visitedLinkHash(
       const char* canonicalURL, size_t length);
   virtual bool isLinkVisited(unsigned long long linkHash);
   virtual WebKit::WebMessagePortChannel* createMessagePortChannel();
   virtual void prefetchHostName(const WebKit::WebString&);
   virtual WebKit::WebString defaultLocale();
   virtual void suddenTerminationChanged(bool enabled);
   virtual WebKit::WebStorageNamespace* createLocalStorageNamespace(
       const WebKit::WebString& path, unsigned quota);
   virtual void dispatchStorageEvent(
@@ skipping 64 matching lines @@
   // we tell the browser to enable fast termination.
   int sudden_termination_disables_;
 
   // Implementation of the WebSharedWorkerRepository APIs (provides an interface
   // to WorkerService on the browser thread.
   WebSharedWorkerRepositoryImpl shared_worker_repository_;
 
 };
 
 #endif  // CHROME_RENDERER_RENDERER_WEBKITCLIENT_IMPL_H_