Create a DataUseRecorder instance for each page load in Chrome.

chrome/browser/data_use_measurement/chrome_data_use_ascriber_service.cc

Index: chrome/browser/data_use_measurement/chrome_data_use_ascriber_service.cc
diff --git a/chrome/browser/data_use_measurement/chrome_data_use_ascriber_service.cc b/chrome/browser/data_use_measurement/chrome_data_use_ascriber_service.cc
index 069e999c4b955e9b3728daf216be5a481e69262b..d76cb6aa8551e268556a2d0e379c876527b9970e 100644
--- a/chrome/browser/data_use_measurement/chrome_data_use_ascriber_service.cc
+++ b/chrome/browser/data_use_measurement/chrome_data_use_ascriber_service.cc
@@ -115,13 +115,11 @@ void ChromeDataUseAscriberService::RenderFrameDeleted(
 void ChromeDataUseAscriberService::DidStartNavigation(
     content::NavigationHandle* navigation_handle) {
   DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
-
   if (!navigation_handle->IsInMainFrame())
     return;
 
   if (!ascriber_)
     return;
-
   content::WebContents* web_contents = navigation_handle->GetWebContents();
   content::BrowserThread::PostTask(
       content::BrowserThread::IO, FROM_HERE,
@@ -155,26 +153,6 @@ void ChromeDataUseAscriberService::ReadyToCommitNavigation(
           navigation_handle));
 }
 
-void ChromeDataUseAscriberService::DidRedirectNavigation(
-    content::NavigationHandle* navigation_handle) {
-  DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
-
-  if (!is_initialized_ || !navigation_handle->IsInMainFrame())
-    return;
-
-  if (!ascriber_)
-    return;
-
-  content::WebContents* web_contents = navigation_handle->GetWebContents();
-  content::BrowserThread::PostTask(
-      content::BrowserThread::IO, FROM_HERE,
-      base::Bind(&ChromeDataUseAscriber::DidRedirectMainFrameNavigation,
-                 base::Unretained(ascriber_), navigation_handle->GetURL(),
-                 web_contents->GetRenderProcessHost()->GetID(),
-                 web_contents->GetMainFrame()->GetRoutingID(),
-                 navigation_handle));
-}
-
 void ChromeDataUseAscriberService::SetDataUseAscriber(
     ChromeDataUseAscriber* ascriber) {
   DCHECK(!is_initialized_);