Wrapped data reduction proxy initialization into its own class

chrome/browser/profiles/profile_impl_io_data.h

Index: chrome/browser/profiles/profile_impl_io_data.h
diff --git a/chrome/browser/profiles/profile_impl_io_data.h b/chrome/browser/profiles/profile_impl_io_data.h
index 383fc4077441835204392cd985a141cf39c2f8e1..ceb4d500eb05a82c0ff3053a1cf407dcc0667628 100644
--- a/chrome/browser/profiles/profile_impl_io_data.h
+++ b/chrome/browser/profiles/profile_impl_io_data.h
@@ -69,15 +69,8 @@ class ProfileImplIOData : public ProfileIOData {
         storage::SpecialStoragePolicy* special_storage_policy,
         scoped_ptr<domain_reliability::DomainReliabilityMonitor>
             domain_reliability_monitor,
-        const base::Callback<void(bool)>& data_reduction_proxy_unavailable,
-        scoped_ptr<DataReductionProxyChromeConfigurator>
-            data_reduction_proxy_chrome_configurator,
-        scoped_ptr<data_reduction_proxy::DataReductionProxyParams>
-            data_reduction_proxy_params,
-        scoped_ptr<data_reduction_proxy::DataReductionProxyStatisticsPrefs>
-            data_reduction_proxy_statistics_prefs,
-        scoped_ptr<data_reduction_proxy::DataReductionProxyEventStore>
-            data_reduction_proxy_event_store);
+        scoped_ptr<data_reduction_proxy::DataReductionProxyIOData>
+            data_reduction_proxy_io_data);
 
     // These Create*ContextGetter() functions are only exposed because the
     // circular relationship between Profile, ProfileIOData::Handle, and the
@@ -157,8 +150,6 @@ class ProfileImplIOData : public ProfileIOData {
     DISALLOW_COPY_AND_ASSIGN(Handle);
   };
 
-  bool IsDataReductionProxyEnabled() const override;
-
  private:
   friend class base::RefCountedThreadSafe<ProfileImplIOData>;
 
@@ -247,8 +238,6 @@ class ProfileImplIOData : public ProfileIOData {
   mutable scoped_ptr<net::SdchManager> sdch_manager_;
   mutable scoped_ptr<ChromeSdchPolicy> sdch_policy_;
 
-  mutable BooleanPrefMember data_reduction_proxy_enabled_;
-
   // Parameters needed for isolated apps.
   base::FilePath profile_path_;
   int app_cache_max_size_;