Switch content tests to use BrowserThreadImpl directly.

content/browser/download/base_file_unittest.cc

 // Copyright (c) 2011 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/download/base_file.h"
 
 #include "base/file_util.h"
 #include "base/logging.h"
 #include "base/message_loop.h"
 #include "base/scoped_temp_dir.h"
 #include "base/string_number_conversions.h"
 #include "base/test/test_file_util.h"
-#include "content/test/test_browser_thread.h"
+#include "content/browser/browser_thread_impl.h"
 #include "net/base/file_stream.h"
 #include "net/base/mock_file_stream.h"
 #include "net/base/net_errors.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
+using content::BrowserThreadImpl;
+
 namespace {
 
 const char kTestData1[] = "Let's write some data to the file!\n";
 const char kTestData2[] = "Writing more data.\n";
 const char kTestData3[] = "Final line.";
 const char kTestData4[] = "supercalifragilisticexpialidocious";
 const int kTestDataLength1 = arraysize(kTestData1) - 1;
 const int kTestDataLength2 = arraysize(kTestData2) - 1;
 const int kTestDataLength3 = arraysize(kTestData3) - 1;
 const int kTestDataLength4 = arraysize(kTestData4) - 1;
@@ skipping 126 matching lines @@
   // Expect the file to be in progress.
   bool expect_in_progress_;
 
  private:
   // Keep track of what data should be saved to the disk file.
   std::string expected_data_;
   bool expected_error_;
 
   // Mock file thread to satisfy debug checks in BaseFile.
   MessageLoop message_loop_;
-  content::TestBrowserThread file_thread_;
+  BrowserThreadImpl file_thread_;
 };
 
 // Test the most basic scenario: just create the object and do a sanity check
 // on all its accessors. This is actually a case that rarely happens
 // in production, where we would at least Initialize it.
 TEST_F(BaseFileTest, CreateDestroy) {
   EXPECT_EQ(FilePath().value(), base_file_->full_path().value());
 }
 
 // Cancel the download explicitly.
@@ skipping 218 matching lines @@
 
   // Write into the file.
   EXPECT_NE(net::OK, AppendDataToFile(kTestData1));
 
   base_file_->Finish();
   base_file_->Detach();
   expect_file_survives_ = true;
 }
 
 }  // namespace