Reduce header dependencies in net/

net/base/sdch_filter_unittest.cc

 // Copyright (c) 2006-2008 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 <limits.h>
 
 #include <algorithm>
 #include <string>
 #include <vector>
 
 #include "base/logging.h"
 #include "base/scoped_ptr.h"
 #include "net/base/filter.h"
 #include "net/base/filter_unittest.h"
+#include "net/base/io_buffer.h"
 #include "net/base/sdch_filter.h"
 #include "net/url_request/url_request_http_job.cc"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "third_party/zlib/zlib.h"
 
 //------------------------------------------------------------------------------
 // Provide sample data and compression results with a sample VCDIFF dictionary.
 // Note an SDCH dictionary has extra meta-data before the VCDIFF dictionary.
 static const char kTestVcdiffDictionary[] = "DictionaryFor"
     "SdchCompression1SdchCompression2SdchCompression3SdchCompression\n";
@@ skipping 1181 matching lines @@
 
   // And can reset them to false.
   sdch_manager_->SetAllowLatencyExperiment(url, false);
   EXPECT_FALSE(sdch_manager_->AllowLatencyExperiment(url));
   EXPECT_TRUE(sdch_manager_->AllowLatencyExperiment(url2));
 
   sdch_manager_->SetAllowLatencyExperiment(url2, false);
   EXPECT_FALSE(sdch_manager_->AllowLatencyExperiment(url));
   EXPECT_FALSE(sdch_manager_->AllowLatencyExperiment(url2));
 }