Offload disk accesses to WorkerPool in ExtensionProtocolHandler

content/browser/renderer_host/resource_dispatcher_host_unittest.cc

 // Copyright (c) 2012 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 "content/browser/renderer_host/resource_dispatcher_host_impl.h"
 
 #include <vector>
 
 #include "base/bind.h"
 #include "base/file_path.h"
@@ skipping 293 matching lines @@
  private:
   virtual bool NextReadAsync() OVERRIDE { return true; }
 };
 
 class URLRequestBigJob : public net::URLRequestSimpleJob {
  public:
   URLRequestBigJob(net::URLRequest* request)
       : net::URLRequestSimpleJob(request) {
   }
 
-  virtual bool GetData(std::string* mime_type,
-                       std::string* charset,
-                       std::string* data) const {
+  virtual int GetData(std::string* mime_type,
+                      std::string* charset,
+                      std::string* data,
+                      const net::CompletionCallback& callback) const OVERRIDE {
     *mime_type = "text/plain";
     *charset = "UTF-8";
 
     std::string text;
     int count;
     if (!ParseURL(request_->url(), &text, &count))
-      return false;
+      return net::ERR_INVALID_URL;
 
     data->reserve(text.size() * count);
     for (int i = 0; i < count; ++i)
       data->append(text);
 
-    return true;
+    return net::OK;
   }
 
  private:
   virtual ~URLRequestBigJob() {}
 
   // big-job:substring,N
   static bool ParseURL(const GURL& url, std::string* text, int* count) {
     std::vector<std::string> parts;
     base::SplitString(url.path(), ',', &parts);
 
@@ skipping 1406 matching lines @@
     }
 
     MessageLoop::current()->RunAllPending();
 
     msgs.clear();
     accum_.GetClassifiedMessages(&msgs);
   }
 }
 
 }  // namespace content