Adding opt out and previews type information to DRP pingback

components/data_reduction_proxy/core/browser/data_reduction_proxy_data.h

Index: components/data_reduction_proxy/core/browser/data_reduction_proxy_data.h
diff --git a/components/data_reduction_proxy/core/browser/data_reduction_proxy_data.h b/components/data_reduction_proxy/core/browser/data_reduction_proxy_data.h
index fd8f4f50898b4322ba14a04ff26de1ff6baef145..1f12d47e502aab795e0d298aeace5f6266e32108 100644
--- a/components/data_reduction_proxy/core/browser/data_reduction_proxy_data.h
+++ b/components/data_reduction_proxy/core/browser/data_reduction_proxy_data.h
@@ -5,6 +5,8 @@
 #ifndef COMPONENTS_DATA_REDUCTION_PROXY_CORE_BROWSER_DATA_REDUCTION_PROXY_DATA_H_
 #define COMPONENTS_DATA_REDUCTION_PROXY_CORE_BROWSER_DATA_REDUCTION_PROXY_DATA_H_
 
+#include <stdint.h>
+
 #include <memory>
 #include <string>
 
@@ -41,14 +43,24 @@ class DataReductionProxyData : public base::SupportsUserData::Data {
     lofi_requested_ = lofi_requested;
   }
 
-  // The session key used for this request.
+  // Whether a lite page response was seen for the request or navigation.
+  bool lite_page_received() const { return lite_page_received_; }
+  void set_lite_page_received(bool lite_page_received) {
+    lite_page_received_ = lite_page_received;
+  }
+
+  // Whether a lite page response was seen for the request or navigation.
+  bool lofi_received() const { return lofi_received_; }
+  void set_lofi_received(bool lofi_received) { lofi_received_ = lofi_received; }
+
+  // The session key used for this request. Only set for main frame requests.
   std::string session_key() const { return session_key_; }
   void set_session_key(const std::string& session_key) {
     session_key_ = session_key;
   }
 
   // The URL the frame is navigating to. This may change during the navigation
-  // when encountering a server redirect.
+  // when encountering a server redirect. Only set for main frame requests.
   GURL request_url() const { return request_url_; }
   void set_request_url(const GURL& request_url) { request_url_ = request_url; }
 
@@ -64,7 +76,7 @@ class DataReductionProxyData : public base::SupportsUserData::Data {
 
   // An identifier that is guaranteed to be unique to each page load during a
   // data saver session. Only present on main frame requests.
-  base::Optional<uint64_t> page_id() const { return page_id_; }
+  const base::Optional<uint64_t>& page_id() const { return page_id_; }
   void set_page_id(uint64_t page_id) { page_id_ = page_id; }
 
   // Removes |this| from |request|.
@@ -92,6 +104,12 @@ class DataReductionProxyData : public base::SupportsUserData::Data {
   // slow.
   bool lofi_requested_;
 
+  // Whether a lite page response was seen for the request or navigation.
+  bool lite_page_received_;
+
+  // Whether a lite page response was seen for the request or navigation.
+  bool lofi_received_;
+
   // The session key used for this request or navigation.
   std::string session_key_;