Separate WebIDBKey type into separate header

public/platform/WebIDBKey.h

Index: public/platform/WebIDBKey.h
diff --git a/public/platform/WebIDBKey.h b/public/platform/WebIDBKey.h
index 5cdda3d5bfdc1c14bdda11132250dcfeecdcab8d..5f99ac6c821c1c9342c2f4377e90d1c616d42bf7 100644
--- a/public/platform/WebIDBKey.h
+++ b/public/platform/WebIDBKey.h
@@ -27,6 +27,7 @@
 #define WebIDBKey_h
 
 #include "WebCommon.h"
+#include "WebIDBTypes.h"
 #include "WebPrivatePtr.h"
 #include "WebString.h"
 #include "WebVector.h"
@@ -64,17 +65,7 @@ public:
     WEBKIT_EXPORT void assignNull();
     WEBKIT_EXPORT void reset();
 
-    enum Type {
-        InvalidType = 0,
-        ArrayType,
-        StringType,
-        DateType,
-        NumberType,
-        NullType,
-        MinType,
-    };
-
-    WEBKIT_EXPORT Type type() const;
+    WEBKIT_EXPORT WebIDBKeyType keyType() const;
     WEBKIT_EXPORT bool isValid() const;
     WEBKIT_EXPORT WebVector<WebIDBKey> array() const; // Only valid for ArrayType.
     WEBKIT_EXPORT WebString string() const; // Only valid for StringType.
@@ -87,6 +78,19 @@ public:
     operator WTF::PassRefPtr<WebCore::IDBKey>() const;
 #endif
 
+    // DEPRECATED! Use WebIDBKeyType and keyType() instead.
+    // FIXME: Remove once the chromium-side users are updated.
+    enum Type {
+        InvalidType = 0,
+        ArrayType,
+        StringType,
+        DateType,
+        NumberType,
+        NullType,
+        MinType,
+    };
+    WEBKIT_EXPORT Type type() const;
+
 private:
     WebPrivatePtr<WebCore::IDBKey> m_private;
 };