Move CSSCounterValue & CSSCursorImageValue to the namespace blink::cssvalue.

third_party/WebKit/Source/core/css/CSSCursorImageValue.cpp

Index: third_party/WebKit/Source/core/css/CSSCursorImageValue.cpp
diff --git a/third_party/WebKit/Source/core/css/CSSCursorImageValue.cpp b/third_party/WebKit/Source/core/css/CSSCursorImageValue.cpp
index a3af03c5819a2f6f76385d98aa2a998192f8ca0e..17c585a639269444e92b24c1dd6afc5cc64db8cf 100644
--- a/third_party/WebKit/Source/core/css/CSSCursorImageValue.cpp
+++ b/third_party/WebKit/Source/core/css/CSSCursorImageValue.cpp
@@ -26,6 +26,8 @@
 
 namespace blink {
 
+namespace cssvalue {
+
 CSSCursorImageValue::CSSCursorImageValue(const CSSValue& imageValue,
                                          bool hotSpotSpecified,
                                          const IntPoint& hotSpot)
@@ -62,4 +64,6 @@ DEFINE_TRACE_AFTER_DISPATCH(CSSCursorImageValue) {
   CSSValue::traceAfterDispatch(visitor);
 }
 
+}  // namespace cssvalue
+
 }  // namespace blink