Sending a data saver Pageload metrics pingback

chrome/browser/page_load_metrics/observers/data_reduction_proxy_metrics_observer.h

Index: chrome/browser/page_load_metrics/observers/data_reduction_proxy_metrics_observer.h
diff --git a/chrome/browser/page_load_metrics/observers/data_reduction_proxy_metrics_observer.h b/chrome/browser/page_load_metrics/observers/data_reduction_proxy_metrics_observer.h
index dcaa6d37184e4c043aad7025c61479a66fa23850..5747e5a9daf050711490496643182a603c0afe24 100644
--- a/chrome/browser/page_load_metrics/observers/data_reduction_proxy_metrics_observer.h
+++ b/chrome/browser/page_load_metrics/observers/data_reduction_proxy_metrics_observer.h
@@ -1,30 +1,35 @@
 // Copyright 2016 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_PAGE_LOAD_METRICS_OBSERVERS_DATA_REDUCTION_PROXY_METRICS_OBSERVER_H_
 #define CHROME_BROWSER_PAGE_LOAD_METRICS_OBSERVERS_DATA_REDUCTION_PROXY_METRICS_OBSERVER_H_
 
+#include <memory>
+
 #include "base/macros.h"
 #include "components/page_load_metrics/browser/page_load_metrics_observer.h"
 
 namespace content {
+class BrowserContext;
 class NavigationHandle;
 }
 
 namespace page_load_metrics {
 struct PageLoadExtraInfo;
 struct PageLoadTiming;
 }
 
 namespace data_reduction_proxy {
+class DataReductionProxyData;
+class DataReductionProxyPingbackClient;
 
 namespace internal {
 
 // Various UMA histogram names for DataReductionProxy core page load metrics.
 extern const char kHistogramFirstContentfulPaintDataReductionProxy[];
 extern const char kHistogramFirstContentfulPaintDataReductionProxyLoFiOn[];
 
 }  // namespace internal
 
 // Observer responsible for recording core page load metrics releveant to
@@ -33,24 +38,29 @@ class DataReductionProxyMetricsObserver
     : public page_load_metrics::PageLoadMetricsObserver {
  public:
   DataReductionProxyMetricsObserver();
   ~DataReductionProxyMetricsObserver() override;
 
   // page_load_metrics::PageLoadMetricsObserver:
   void OnCommit(content::NavigationHandle* navigation_handle) override;
   void OnFirstContentfulPaint(
       const page_load_metrics::PageLoadTiming& timing,
       const page_load_metrics::PageLoadExtraInfo& info) override;
+  void OnComplete(const page_load_metrics::PageLoadTiming& timing,
+                  const page_load_metrics::PageLoadExtraInfo& info) override;
 
  private:
-  // True if the navigation requested LoFi.
-  bool lofi_requested_;
+  // Gets the default DataReductionProxyPingbackClient. Overridden in testing.
+  virtual DataReductionProxyPingbackClient* GetPingbackClient() const;
+
+  // Data related to this navigation.
+  std::unique_ptr<DataReductionProxyData> data_;
 
-  // True if the navigation was proxied through the data reduction proxy.
-  bool used_data_reduction_proxy_;
+  // The browser context this navigation is operating in.
+  content::BrowserContext* browser_context_;
 
   DISALLOW_COPY_AND_ASSIGN(DataReductionProxyMetricsObserver);
 };
 
 }  // namespace data_reduction_proxy
 
 #endif  // CHROME_BROWSER_PAGE_LOAD_METRICS_OBSERVERS_DATA_REDUCTION_PROXY_METRICS_OBSERVER_H_