Remove all remaining traces of MessageLoopProxy.

content/browser/renderer_host/websocket_blob_sender_unittest.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 "content/browser/renderer_host/websocket_blob_sender.h"
 
 #include <string.h>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
@@ skipping 138 matching lines @@
 
   // Call sender_.Start() with the other parameters filled in appropriately for
   // this test fixture.
   int Start(const std::string& uuid,
             uint64_t expected_size,
             const net::CompletionCallback& callback) {
     net::WebSocketEventInterface::ChannelState channel_state =
         net::WebSocketEventInterface::CHANNEL_ALIVE;
     return sender_->Start(
         uuid, expected_size, context(), GetFileSystemContext(),
-        BrowserThread::GetMessageLoopProxyForThread(BrowserThread::FILE).get(),
+        BrowserThread::GetTaskRunnerForThread(BrowserThread::FILE).get(),
         &channel_state, callback);
   }
 
   void NotCalledCallbackImpl(int rv) {
     ADD_FAILURE()
         << "Callback that should not be called was called with argument " << rv;
   }
 
   net::CompletionCallback NotCalled() {
     return base::Bind(&WebSocketBlobSenderTest::NotCalledCallbackImpl,
@@ skipping 271 matching lines @@
 
   int rv = Start(handle->GetUUID(), message.size(), NotCalled());
   EXPECT_EQ(net::OK, rv);
   std::vector<char> expected_message(message.begin(), message.end());
   EXPECT_EQ(expected_message, synchronous_fake_channel_->message());
 }
 
 }  // namespace
 
 }  // namespace content