Create a DataUseRecorder instance for each page load in Chrome.

chrome/browser/data_use_measurement/data_use_web_contents_observer.cc

Index: chrome/browser/data_use_measurement/data_use_web_contents_observer.cc
diff --git a/chrome/browser/data_use_measurement/data_use_web_contents_observer.cc b/chrome/browser/data_use_measurement/data_use_web_contents_observer.cc
index cc3ff91fe44a378b2e3794e789a856b7ff1298af..d1e35963da56f84e2c3b64a8066abe0deaa18856 100644
--- a/chrome/browser/data_use_measurement/data_use_web_contents_observer.cc
+++ b/chrome/browser/data_use_measurement/data_use_web_contents_observer.cc
@@ -72,9 +72,4 @@ void DataUseWebContentsObserver::ReadyToCommitNavigation(
   service_->ReadyToCommitNavigation(navigation_handle);
 }
 
-void DataUseWebContentsObserver::DidRedirectNavigation(
-    content::NavigationHandle* navigation_handle) {
-  service_->DidRedirectNavigation(navigation_handle);
-}
-
 }  // namespace data_use_measurement