Add new UMA stats for parallelizable download

content/browser/download/download_file_unittest.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.
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <utility>
 #include <vector>
 
@@ skipping 225 matching lines @@
         .WillOnce(Return(ByteStreamReader::STREAM_EMPTY))
         .RetiresOnSaturation();
 
     base::WeakPtrFactory<DownloadFileTest> weak_ptr_factory(this);
     DownloadInterruptReason result = DOWNLOAD_INTERRUPT_REASON_NONE;
     base::RunLoop loop_runner;
     download_file_->Initialize(
         base::Bind(&DownloadFileTest::SetInterruptReasonCallback,
                    weak_ptr_factory.GetWeakPtr(), loop_runner.QuitClosure(),
                    &result),
-        received_slices);
+        received_slices, true);
     loop_runner.Run();
 
     ::testing::Mock::VerifyAndClearExpectations(input_stream_);
     return result == DOWNLOAD_INTERRUPT_REASON_NONE;
   }
 
   void DestroyDownloadFile(int offset, bool compare_disk_data = true) {
     EXPECT_FALSE(download_file_->InProgress());
 
     // Make sure the data has been properly written to disk.
@@ skipping 759 matching lines @@
   SourceStreamTestData stream_data_0(0, stream_0_length, true);
   SourceStreamTestData stream_data_1(stream_0_length - 1, 0, false);
   VerifySourceStreamsStates(stream_data_0);
   VerifySourceStreamsStates(stream_data_1);
   EXPECT_EQ(stream_0_length, TotalBytesReceived());
 
   DestroyDownloadFile(0);
 }
 
 }  // namespace content