Make sure we get at least one progress callback

media/blink/multibuffer_data_source_unittest.cc

 // Copyright 2013 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 "base/bind.h"
 #include "base/macros.h"
 #include "base/message_loop/message_loop.h"
@@ skipping 1000 matching lines @@
   StrictMock<MockBufferedDataSourceHost> host2;
   MockMultibufferDataSource source2(
       GURL(kHttpUrl), UrlData::CORS_UNSPECIFIED, message_loop_.task_runner(),
       url_index_, view_->mainFrame()->toWebLocalFrame(), &host2);
   source2.SetPreload(preload_);
 
   EXPECT_CALL(*this, OnInitialize(true));
 
   // This call would not be expected if we were not sharing data.
   EXPECT_CALL(host2, SetTotalBytes(response_generator_->content_length()));
+  EXPECT_CALL(host2, AddBufferedByteRange(0, kDataSize * 2));
   source2.Initialize(base::Bind(&MultibufferDataSourceTest::OnInitialize,
                                 base::Unretained(this)));
   base::RunLoop().RunUntilIdle();
 
   // Always loading after initialize.
   EXPECT_EQ(source2.downloading(), true);
 
   Stop();
 }
 
@@ skipping 487 matching lines @@
   const std::string etag("\"arglebargle glop-glyf?\"");
   response.setHTTPHeaderField(WebString::fromUTF8("Etag"),
                               WebString::fromUTF8(etag));
   Respond(response);
   EXPECT_CALL(host_, AddBufferedByteRange(0, kDataSize));
   ReceiveData(kDataSize);
 
   EXPECT_EQ(url_data()->etag(), etag);
 }
 }  // namespace media