Move state machines to state_machines subdir

third_party/WebKit/Source/core/editing/BackspaceStateMachine.h

Index: third_party/WebKit/Source/core/editing/BackspaceStateMachine.h
diff --git a/third_party/WebKit/Source/core/editing/BackspaceStateMachine.h b/third_party/WebKit/Source/core/editing/BackspaceStateMachine.h
deleted file mode 100644
index 140442cd7414bda02ebee0db8f437c3f997ab467..0000000000000000000000000000000000000000
--- a/third_party/WebKit/Source/core/editing/BackspaceStateMachine.h
+++ /dev/null
@@ -1,41 +0,0 @@
-// 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.
-
-#ifndef BackspaceStateMachine_h
-#define BackspaceStateMachine_h
-
-#include "core/CoreExport.h"
-#include "wtf/Allocator.h"
-#include "wtf/Noncopyable.h"
-#include "wtf/text/Unicode.h"
-
-namespace blink {
-
-class CORE_EXPORT BackspaceStateMachine {
-    STACK_ALLOCATED();
-    WTF_MAKE_NONCOPYABLE(BackspaceStateMachine);
-public:
-    BackspaceStateMachine() = default;
-
-    // Returns true when the state machine has stopped.
-    bool updateState(UChar codeUnit);
-
-    // Finalize the state machine and returns the code unit count to be deleted.
-    // If the state machine hasn't finished, this method finishes the state
-    // machine first.
-    int finalizeAndGetCodeUnitCountToBeDeleted();
-
-    // Resets the internal state to the initial state.
-    void reset();
-
-private:
-    int m_codeUnitsToBeDeleted = 0;
-
-    // Used for composing supplementary code point with surrogate pairs.
-    UChar m_trailSurrogate = 0;
-};
-
-} // namespace blink
-
-#endif