Separate WebIDBKey type into separate header

public/platform/WebIDBKeyPath.h

Index: public/platform/WebIDBKeyPath.h
diff --git a/public/platform/WebIDBKeyPath.h b/public/platform/WebIDBKeyPath.h
index fdbef92286c33d280e6c8aac33aef378950ff0b7..89c5950ed699f857e051e7d20af85983c0bba44a 100644
--- a/public/platform/WebIDBKeyPath.h
+++ b/public/platform/WebIDBKeyPath.h
@@ -27,6 +27,7 @@
 #define WebIDBKeyPath_h
 
 #include "WebCommon.h"
+#include "WebIDBTypes.h"
 #include "WebPrivateOwnPtr.h"
 #include "WebString.h"
 #include "WebVector.h"
@@ -52,14 +53,8 @@ public:
     WEBKIT_EXPORT void reset();
     WEBKIT_EXPORT void assign(const WebIDBKeyPath&);
 
-    enum Type {
-        NullType = 0,
-        StringType,
-        ArrayType,
-    };
-
     WEBKIT_EXPORT bool isValid() const;
-    WEBKIT_EXPORT Type type() const;
+    WEBKIT_EXPORT WebIDBKeyPathType keyPathType() const;
     WEBKIT_EXPORT WebVector<WebString> array() const; // Only valid for ArrayType.
     WEBKIT_EXPORT WebString string() const; // Only valid for StringType.
 
@@ -69,6 +64,16 @@ public:
     operator const WebCore::IDBKeyPath&() const;
 #endif
 
+    // DEPRECATED. Use WebIDBKeyPathType and keyPathType() instead.
+    // FIXME: Remove once the chromium-side users are gone
+    enum Type {
+        NullType = 0,
+        StringType,
+        ArrayType,
+    };
+
+    WEBKIT_EXPORT Type type() const;
+
 private:
     WebPrivateOwnPtr<WebCore::IDBKeyPath> m_private;
 };