Refactor net predictor to use ResourceThrottles

chrome/browser/profiles/profile_io_data.h

 // 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.
 
 #ifndef CHROME_BROWSER_PROFILES_PROFILE_IO_DATA_H_
 #define CHROME_BROWSER_PROFILES_PROFILE_IO_DATA_H_
 
 #include <stdint.h>
 
 #include <map>
@@ skipping 232 matching lines @@
   data_reduction_proxy::DataReductionProxyIOData*
   data_reduction_proxy_io_data() const {
     return data_reduction_proxy_io_data_.get();
   }
 
   // This function is to be used to check if the |url| is defined in
   // blacklist or whitelist policy.
   virtual policy::URLBlacklist::URLBlacklistState GetURLBlacklistState(
       const GURL& url) const;
 
+  // Returns the predictor service for this Profile. Returns nullptr if there is
+  // no Predictor, as is the case with OffTheRecord profiles.
+  virtual chrome_browser_net::Predictor* GetPredictor();
+
  protected:
   // A URLRequestContext for media that owns its HTTP factory, to ensure
   // it is deleted.
   class MediaRequestContext : public net::URLRequestContext {
    public:
     MediaRequestContext();
 
     void SetHttpTransactionFactory(
         std::unique_ptr<net::HttpTransactionFactory> http_factory);
 
@@ skipping 342 matching lines @@
 #endif
 
   mutable DevToolsNetworkControllerHandle network_controller_handle_;
 
   const Profile::ProfileType profile_type_;
 
   DISALLOW_COPY_AND_ASSIGN(ProfileIOData);
 };
 
 #endif  // CHROME_BROWSER_PROFILES_PROFILE_IO_DATA_H_