Delete the ClientSocketPoolHistograms class.

net/websockets/websocket_basic_stream_test.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.
 //
 // Tests for WebSocketBasicStream. Note that we do not attempt to verify that
 // frame parsing itself functions correctly, as that is covered by the
 // WebSocketFrameParser tests.
 
 #include "net/websockets/websocket_basic_stream.h"
 
@@ skipping 87 matching lines @@
   }
 
  private:
   const bool strict_mode_;
 };
 
 // A fixture for tests which only perform normal socket operations.
 class WebSocketBasicStreamSocketTest : public WebSocketBasicStreamTest {
  protected:
   WebSocketBasicStreamSocketTest()
-      : histograms_("a"),
-        pool_(1, 1, &histograms_, &factory_),
+      : pool_(1, 1, &factory_),
         generator_(&GenerateNulMaskingKey),
         expect_all_io_to_complete_(true) {}
 
   ~WebSocketBasicStreamSocketTest() override {
     // stream_ has a reference to socket_data_ (via MockTCPClientSocket) and so
     // should be destroyed first.
     stream_.reset();
   }
 
   scoped_ptr<ClientSocketHandle> MakeTransportSocket(MockRead reads[],
@@ skipping 37 matching lines @@
 
   template <size_t N>
   void CreateReadOnly(MockRead (&reads)[N]) {
     CreateStream(reads, N, NULL, 0);
   }
 
   void CreateNullStream() { CreateStream(NULL, 0, NULL, 0); }
 
   scoped_ptr<SocketDataProvider> socket_data_;
   MockClientSocketFactory factory_;
-  ClientSocketPoolHistograms histograms_;
   MockTransportClientSocketPool pool_;
   CapturingBoundNetLog(bound_net_log_);
   ScopedVector<WebSocketFrame> frames_;
   TestCompletionCallback cb_;
   scoped_refptr<GrowableIOBuffer> http_read_buffer_;
   std::string sub_protocol_;
   std::string extensions_;
   WebSocketBasicStream::WebSocketMaskingKeyGeneratorFunction generator_;
   bool expect_all_io_to_complete_;
 };
@@ skipping 758 matching lines @@
 
 TEST_F(WebSocketBasicStreamSocketTest, GetSubProtocolWorks) {
   sub_protocol_ = "cyberchat";
   CreateNullStream();
 
   EXPECT_EQ("cyberchat", stream_->GetSubProtocol());
 }
 
 }  // namespace
 }  // namespace net