Delete the ClientSocketPoolHistograms class.

net/socket/deterministic_socket_data_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 "net/socket/socket_test_util.h"
 
 #include <string.h>
 
 #include "base/memory/ref_counted.h"
 #include "testing/platform_test.h"
@@ skipping 40 matching lines @@
   TestCompletionCallback write_callback_;
   StreamSocket* sock_;
   scoped_ptr<DeterministicSocketData> data_;
 
  private:
   scoped_refptr<IOBuffer> read_buf_;
   MockConnect connect_data_;
 
   HostPortPair endpoint_;
   scoped_refptr<TransportSocketParams> tcp_params_;
-  ClientSocketPoolHistograms histograms_;
   DeterministicMockClientSocketFactory socket_factory_;
   MockTransportClientSocketPool socket_pool_;
   ClientSocketHandle connection_;
 
   DISALLOW_COPY_AND_ASSIGN(DeterministicSocketDataTest);
 };
 
 DeterministicSocketDataTest::DeterministicSocketDataTest()
     : sock_(NULL),
       read_buf_(NULL),
       connect_data_(SYNCHRONOUS, OK),
       endpoint_("www.google.com", 443),
       tcp_params_(new TransportSocketParams(
-              endpoint_,
-              false,
-              false,
-              OnHostResolutionCallback(),
-              TransportSocketParams::COMBINE_CONNECT_AND_WRITE_DEFAULT)),
-      histograms_(std::string()),
-      socket_pool_(10, 10, &histograms_, &socket_factory_) {}
+          endpoint_,
+          false,
+          false,
+          OnHostResolutionCallback(),
+          TransportSocketParams::COMBINE_CONNECT_AND_WRITE_DEFAULT)),
+      socket_pool_(10, 10, &socket_factory_) {
+}
 
 void DeterministicSocketDataTest::TearDown() {
   // Empty the current queue.
   base::MessageLoop::current()->RunUntilIdle();
   PlatformTest::TearDown();
 }
 
 void DeterministicSocketDataTest::Initialize(MockRead* reads,
                                            size_t reads_count,
                                            MockWrite* writes,
@@ skipping 521 matching lines @@
   data_->StopAfter(1);
   AssertSyncWriteEquals(kMsg3, kLen3);
 
   data_->RunFor(1);
   ASSERT_TRUE(read_callback_.have_result());
   ASSERT_EQ(kLen2, read_callback_.WaitForResult());
   AssertReadBufferEquals(kMsg2, kLen2);
 }
 
 }  // namespace net