Create a Lite Page bit for previews and fallback to Lo-Fi

components/data_reduction_proxy/core/browser/data_reduction_proxy_io_data.h

 // Copyright 2015 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 COMPONENTS_DATA_REDUCTION_PROXY_CORE_BROWSER_DATA_REDUCTION_PROXY_IO_DATA_H_
 #define COMPONENTS_DATA_REDUCTION_PROXY_CORE_BROWSER_DATA_REDUCTION_PROXY_IO_DATA_H_
 
 #include <stdint.h>
 #include <memory>
 #include <string>
@@ skipping 77 matching lines @@
   std::unique_ptr<DataReductionProxyDelegate> CreateProxyDelegate() const;
 
   // Sets user defined preferences for how the Data Reduction Proxy
   // configuration should be set. |at_startup| is true only
   // when DataReductionProxySettings is initialized.
   void SetProxyPrefs(bool enabled, bool at_startup);
 
   // Applies a serialized Data Reduction Proxy configuration.
   void SetDataReductionProxyConfiguration(const std::string& serialized_config);
 
-  // Returns true when Lo-Fi mode should be activated. When Lo-Fi mode is
+  // Returns true when Lo-Fi Previews should be activated. When Lo-Fi is
   // active, URL requests are modified to request low fidelity versions of the
   // resources, except when the user is in the Lo-Fi control group.
-  bool ShouldEnableLoFiMode(const net::URLRequest& request);
+  bool ShouldEnableLoFi(const net::URLRequest& request);
+
+  // Returns true when Lite Page Previews should be activated. When Lite Pages
+  // are active, a low fidelity transcoded page is requested on the main frame
+  // resource, except when the user is in the control group.
+  bool ShouldEnableLitePages(const net::URLRequest& request);
 
   // Sets Lo-Fi mode off in |config_|.
   void SetLoFiModeOff();
 
   // Bridge methods to safely call to the UI thread objects.
   void UpdateContentLengths(
       int64_t data_used,
       int64_t original_size,
       bool data_reduction_proxy_enabled,
       DataReductionProxyRequestType request_type,
@@ skipping 179 matching lines @@
   // The production channel of this build.
   const std::string channel_;
 
   base::WeakPtrFactory<DataReductionProxyIOData> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(DataReductionProxyIOData);
 };
 
 }  // namespace data_reduction_proxy
 #endif  // COMPONENTS_DATA_REDUCTION_PROXY_CORE_BROWSER_DATA_REDUCTION_PROXY_IO_DATA_H_