Move execCommand related files in core/editing/ related files into core/editing/commands/

Source/core/editing/commands/ApplyStyleCommand.h

Index: Source/core/editing/commands/ApplyStyleCommand.h
diff --git a/Source/core/editing/ApplyStyleCommand.h b/Source/core/editing/commands/ApplyStyleCommand.h
similarity index 98%
rename from Source/core/editing/ApplyStyleCommand.h
rename to Source/core/editing/commands/ApplyStyleCommand.h
index 9f5ac248db46c1190a7f5d2d3e179a28b6715aed..a44a730d0963711cd826acddc11eecc8d4dddea4 100644
--- a/Source/core/editing/ApplyStyleCommand.h
+++ b/Source/core/editing/commands/ApplyStyleCommand.h
@@ -26,8 +26,8 @@
 #ifndef ApplyStyleCommand_h
 #define ApplyStyleCommand_h
 
-#include "core/editing/CompositeEditCommand.h"
 #include "core/editing/WritingDirection.h"
+#include "core/editing/commands/CompositeEditCommand.h"
 #include "core/html/HTMLElement.h"
 
 namespace blink {
@@ -106,7 +106,7 @@ private:
     void splitTextElementAtStart(const Position& start, const Position& end);
     void splitTextElementAtEnd(const Position& start, const Position& end);
     bool shouldSplitTextElement(Element*, EditingStyle*);
-    bool isValidCaretPositionInTextNode(const Position& position);
+    bool isValidCaretPositionInTextNode(const Position&);
     bool mergeStartWithPreviousIfIdentical(const Position& start, const Position& end);
     bool mergeEndWithNextIfIdentical(const Position& start, const Position& end);
     void cleanupUnstyledAppleStyleSpans(ContainerNode* dummySpanAncestor);