Add a new UMA histogram for tracking SpdySessionErrorDetails

net/spdy/buffered_spdy_framer_spdy2_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/spdy/buffered_spdy_framer.h"
 
 #include "net/spdy/spdy_test_util_spdy2.h"
 #include "testing/platform_test.h"
 
 using namespace net::test_spdy2;
 
 namespace net {
 
 namespace {
 
 class TestBufferedSpdyVisitor : public BufferedSpdyFramerVisitorInterface {
  public:
   TestBufferedSpdyVisitor()
     : buffered_spdy_framer_(2),
       error_count_(0),
       setting_count_(0),
       syn_frame_count_(0),
       syn_reply_frame_count_(0),
       headers_frame_count_(0),
       header_stream_id_(-1) {
   }
 
-  void OnError(int error_code) {
+  void OnError(SpdyFramer::SpdyError error_code) {
     LOG(INFO) << "SpdyFramer Error: " << error_code;
     error_count_++;
   }
 
   void OnStreamError(SpdyStreamId stream_id,
                      const std::string& description) {
     LOG(INFO) << "SpdyFramer Error on stream: " << stream_id  << " "
               << description;
     error_count_++;
   }
@@ skipping 218 matching lines @@
   visitor.SimulateInFramer(
       reinterpret_cast<unsigned char*>(control_frame.get()->data()),
        control_frame.get()->length() + SpdyControlFrame::kHeaderSize);
   EXPECT_EQ(0, visitor.error_count_);
   EXPECT_EQ(0, visitor.syn_frame_count_);
   EXPECT_EQ(0, visitor.syn_reply_frame_count_);
   EXPECT_EQ(1, visitor.headers_frame_count_);
   EXPECT_TRUE(CompareHeaderBlocks(&headers, &visitor.headers_));
 }
 }  // namespace net