Introduce WebSocketDeflatePredictor.

net/websockets/websocket_deflate_predictor_impl_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.
+
+#include "net/websockets/websocket_deflate_predictor_impl.h"
+
+#include "base/basictypes.h"
+#include "base/memory/scoped_vector.h"
+#include "net/websockets/websocket_frame.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace net {
+
+namespace {
+
+typedef WebSocketDeflatePredictor::Result Result;
+
+TEST(WebSocketDeflatePredictorImpl, Predict) {
+  WebSocketDeflatePredictorImpl predictor;
+  ScopedVector<WebSocketFrame> frames;
+  frames.push_back(new WebSocketFrame(WebSocketFrameHeader::kOpCodeText));
+  Result result = predictor.Predict(frames, 0);
+
+  ASSERT_EQ(WebSocketDeflatePredictor::DEFLATE, result);
+}
+
+}  // namespace
+
+}  // namespace net