Record the tab state during data use

chrome/browser/data_use_measurement/chrome_data_use_ascriber_service.cc

 // 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.
 
 #include "chrome/browser/data_use_measurement/chrome_data_use_ascriber_service.h"
 
 #include "base/bind.h"
 #include "base/memory/ptr_util.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/data_use_measurement/chrome_data_use_ascriber.h"
@@ skipping 201 matching lines @@
   if (old_host) {
     content::BrowserThread::PostTask(
         content::BrowserThread::IO, FROM_HERE,
         base::Bind(&ChromeDataUseAscriber::RenderFrameHostChanged,
                    base::Unretained(ascriber_), old_host->GetProcess()->GetID(),
                    old_host->GetRoutingID(), new_host->GetProcess()->GetID(),
                    new_host->GetRoutingID()));
   }
 }
 
+void ChromeDataUseAscriberService::RenderFrameHostChanged(

[RyanSturm, 2016/12/16 16:26:10]

You copied this method from above accidentally.

[Raj, 2016/12/16 19:59:10]

Rmoved.

+    content::RenderFrameHost* old_host,
+    content::RenderFrameHost* new_host) {
+  if (!ascriber_)
+    return;
+
+  if (old_host) {
+    content::BrowserThread::PostTask(
+        content::BrowserThread::IO, FROM_HERE,
+        base::Bind(&ChromeDataUseAscriber::RenderFrameHostChanged,
+                   base::Unretained(ascriber_), old_host->GetProcess()->GetID(),
+                   old_host->GetRoutingID(), new_host->GetProcess()->GetID(),
+                   new_host->GetRoutingID()));
+  }
+}
+
 }  // namespace data_use_measurement