Move data_reduction_proxy_enabled pref to profile_impl_io_data.

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 21c72ab0ca2a89c015e4d1c1943c2858f9022f04..91521bc3dd2d96fab06853f7850bde347da2132c 100644
--- a/chrome/browser/profiles/profile_impl_io_data.h
+++ b/chrome/browser/profiles/profile_impl_io_data.h
@@ -149,6 +149,12 @@ class ProfileImplIOData : public ProfileIOData {
     DISALLOW_COPY_AND_ASSIGN(Handle);
   };
 
+  virtual bool IsDataReductionProxyEnabled() const OVERRIDE;
+
+  BooleanPrefMember* data_reduction_proxy_enabled() const {
+    return &data_reduction_proxy_enabled_;
+  }
+
  private:
   friend class base::RefCountedThreadSafe<ProfileImplIOData>;
 
@@ -235,6 +241,8 @@ class ProfileImplIOData : public ProfileIOData {
 
   mutable scoped_ptr<net::SdchManager> sdch_manager_;
 
+  mutable BooleanPrefMember data_reduction_proxy_enabled_;
+
   // Parameters needed for isolated apps.
   base::FilePath profile_path_;
   int app_cache_max_size_;