Move state machines to state_machines subdir

third_party/WebKit/Source/core/editing/state_machines/TextSegmentationMachineState.cpp

Index: third_party/WebKit/Source/core/editing/state_machines/TextSegmentationMachineState.cpp
diff --git a/third_party/WebKit/Source/core/editing/state_machines/TextSegmentationMachineState.cpp b/third_party/WebKit/Source/core/editing/state_machines/TextSegmentationMachineState.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..b36160bb7a76b02eb85ecae3f3a0ba324adf6ce7
--- /dev/null
+++ b/third_party/WebKit/Source/core/editing/state_machines/TextSegmentationMachineState.cpp
@@ -0,0 +1,24 @@
+// Copyright 2016 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 "core/editing/state_machines/TextSegmentationMachineState.h"
+
+#include "wtf/Assertions.h"
+#include <ostream> // NOLINT
+
+namespace blink {
+
+std::ostream& operator<<(std::ostream& os, TextSegmentationMachineState state)
+{
+    static const char* const texts[] = {
+        "Invalid", "NeedMoreCodeUnit", "NeedFollowingCodeUnit", "Finished",
+    };
+
+    const auto& it = std::begin(texts) + static_cast<size_t>(state);
+    DCHECK_GE(it, std::begin(texts)) << "Unknown state value";
+    DCHECK_LT(it, std::end(texts)) << "Unknown state value";
+    return os << *it;
+}
+
+} // namespace blink