Record the parallel download UMA for fresh new downloads

content/browser/download/download_item_impl.cc

 // Copyright (c) 2012 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.
 
 // File method ordering: Methods in this file are in the same order as
 // in download_item_impl.h, with the following exception: The public
 // interface Start is placed in chronological order with the other
 // (private) routines that together define a DownloadItem's state
 // transitions as the download progresses.  See "Download progression
 // cascade" later in this file.
@@ skipping 1198 matching lines @@
     std::unique_ptr<DownloadRequestHandleInterface> req_handle,
     const DownloadCreateInfo& new_create_info) {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
   DCHECK(!download_file_.get());
   DVLOG(20) << __func__ << "() this=" << DebugString(true);
   RecordDownloadCount(START_COUNT);
 
   download_file_ = std::move(file);
   job_ = DownloadJobFactory::CreateJob(this, std::move(req_handle),
                                        new_create_info);
+  if (job_->UsesParallelRequests())
+    RecordParallelDownloadCount(START_COUNT);
+
   deferred_interrupt_reason_ = DOWNLOAD_INTERRUPT_REASON_NONE;
 
   if (state_ == CANCELLED_INTERNAL) {
     // The download was in the process of resuming when it was cancelled. Don't
     // proceed.
     ReleaseDownloadFile(true);
     job_->Cancel(true);
     return;
   }
 
@@ skipping 29 matching lines @@
     hash_.clear();
     deferred_interrupt_reason_ = new_create_info.result;
     received_slices_.clear();
     TransitionTo(INTERRUPTED_TARGET_PENDING_INTERNAL);
     DetermineDownloadTarget();
     return;
   }
 
   if (state_ == INITIAL_INTERNAL) {
     RecordDownloadCount(NEW_DOWNLOAD_COUNT);
+    if (job_->UsesParallelRequests())
+      RecordParallelDownloadCount(NEW_DOWNLOAD_COUNT);
     RecordDownloadMimeType(mime_type_);
     if (!GetBrowserContext()->IsOffTheRecord()) {
       RecordDownloadCount(NEW_DOWNLOAD_COUNT_NORMAL_PROFILE);
       RecordDownloadMimeTypeForNormalProfile(mime_type_);
     }
   }
 
   // Successful download start.
   DCHECK(download_file_);
   DCHECK(job_);
 
   if (state_ == RESUMING_INTERNAL)
     UpdateValidatorsOnResumption(new_create_info);
 
-  if (state_ == INITIAL_INTERNAL && job_->UsesParallelRequests())
-    RecordParallelDownloadCount(START_COUNT);
-
   TransitionTo(TARGET_PENDING_INTERNAL);
 
   job_->Start();
 }
 
 void DownloadItemImpl::StartDownload() {
   BrowserThread::PostTask(
       BrowserThread::FILE, FROM_HERE,
       base::Bind(&DownloadFile::Initialize,
                  // Safe because we control download file lifetime.
@@ skipping 951 matching lines @@
     case RESUME_MODE_USER_CONTINUE:
       return "USER_CONTINUE";
     case RESUME_MODE_USER_RESTART:
       return "USER_RESTART";
   }
   NOTREACHED() << "Unknown resume mode " << mode;
   return "unknown";
 }
 
 }  // namespace content