Record data use of user traffic by different core page transition types

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 24e83c0f10ae84b3e7756f7298d5e4cde4dd5d4b..790734f2f2c7e753bafad9cc2baf65fbdfacc449 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
@@ -163,6 +163,27 @@ void ChromeDataUseAscriberService::ReadyToCommitNavigation(
           navigation_handle));
 }
 
+void ChromeDataUseAscriberService::DidFinishNavigation(
+    content::NavigationHandle* navigation_handle) {
+  DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
+
+  if (!navigation_handle->IsInMainFrame() ||
+      !navigation_handle->HasCommitted() || navigation_handle->IsSamePage())
+    return;
+
+  if (!ascriber_)
+    return;
+
+  content::WebContents* web_contents = navigation_handle->GetWebContents();
+  content::BrowserThread::PostTask(
+      content::BrowserThread::IO, FROM_HERE,
+      base::Bind(&ChromeDataUseAscriber::DidFinishNavigation,
+                 base::Unretained(ascriber_),
+                 web_contents->GetRenderProcessHost()->GetID(),
+                 web_contents->GetMainFrame()->GetRoutingID(),
+                 navigation_handle->GetPageTransition()));
+}
+
 void ChromeDataUseAscriberService::SetDataUseAscriber(
     ChromeDataUseAscriber* ascriber) {
   DCHECK(!is_initialized_);