Remove SPDY/2 code.

net/spdy/spdy_frame_builder_test.cc

 // Copyright (c) 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.
 
 #include "net/spdy/spdy_frame_builder.h"
 
 #include "net/spdy/spdy_framer.h"
 #include "net/spdy/spdy_protocol.h"
 #include "testing/platform_test.h"
 
 namespace net {
 
 class SpdyFrameBuilderTest : public ::testing::TestWithParam<SpdyMajorVersion> {
  protected:
   void SetUp() override { spdy_version_ = GetParam(); }
 
   // Major version of SPDY protocol to be used.
   SpdyMajorVersion spdy_version_;
 };
 
-// All tests are run with three different SPDY versions: SPDY/2, SPDY/3 and
-// HTTP/2.
+// All tests are run with SPDY/3 and HTTP/2.
 INSTANTIATE_TEST_CASE_P(SpdyFrameBuilderTests,
                         SpdyFrameBuilderTest,
-                        ::testing::Values(SPDY2, SPDY3, HTTP2));
+                        ::testing::Values(SPDY3, HTTP2));
 
 TEST_P(SpdyFrameBuilderTest, GetWritableBuffer) {
   const size_t builder_size = 10;
   SpdyFrameBuilder builder(builder_size, spdy_version_);
   char* writable_buffer = builder.GetWritableBuffer(builder_size);
   memset(writable_buffer, ~1, builder_size);
   EXPECT_TRUE(builder.Seek(builder_size));
   scoped_ptr<SpdyFrame> frame(builder.take());
   char expected[builder_size];
   memset(expected, ~1, builder_size);
@@ skipping 33 matching lines @@
   scoped_ptr<SpdyFrame> expected(framer.SerializeHeaders(headers_ir));
   SpdyFrameBuilder builder(expected->size(), spdy_version_);
   builder.BeginNewFrame(framer, HEADERS, 0, 1);
   builder.OverwriteFlags(framer, HEADERS_FLAG_END_HEADERS);
   scoped_ptr<SpdyFrame> built(builder.take());
   EXPECT_EQ(base::StringPiece(expected->data(), expected->size()),
             base::StringPiece(built->data(), built->size()));
 }
 
 }  // namespace net