Rename all existing custom element classes as V0

third_party/WebKit/Source/core/dom/custom/V0CustomElementProcessingStep.h

Index: third_party/WebKit/Source/core/dom/custom/V0CustomElementProcessingStep.h
diff --git a/third_party/WebKit/Source/core/dom/custom/CustomElementProcessingStep.h b/third_party/WebKit/Source/core/dom/custom/V0CustomElementProcessingStep.h
similarity index 83%
rename from third_party/WebKit/Source/core/dom/custom/CustomElementProcessingStep.h
rename to third_party/WebKit/Source/core/dom/custom/V0CustomElementProcessingStep.h
index fc9b95ea6ddba71e7587d82e2860186a1deb6b8e..88e6f2b498a9c5c2f08802dac752015ec5db7c23 100644
--- a/third_party/WebKit/Source/core/dom/custom/CustomElementProcessingStep.h
+++ b/third_party/WebKit/Source/core/dom/custom/V0CustomElementProcessingStep.h
@@ -28,20 +28,20 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#ifndef CustomElementProcessingStep_h
-#define CustomElementProcessingStep_h
+#ifndef V0CustomElementProcessingStep_h
+#define V0CustomElementProcessingStep_h
 
 #include "platform/heap/Handle.h"
 #include "wtf/Noncopyable.h"
 
 namespace blink {
 
-class CustomElementProcessingStep : public GarbageCollectedFinalized<CustomElementProcessingStep> {
-    WTF_MAKE_NONCOPYABLE(CustomElementProcessingStep);
+class V0CustomElementProcessingStep : public GarbageCollectedFinalized<V0CustomElementProcessingStep> {
+    WTF_MAKE_NONCOPYABLE(V0CustomElementProcessingStep);
 public:
-    CustomElementProcessingStep() { }
+    V0CustomElementProcessingStep() { }
 
-    virtual ~CustomElementProcessingStep() { }
+    virtual ~V0CustomElementProcessingStep() { }
     virtual void dispatch(Element*) = 0;
     virtual bool isCreatedCallback() const { return false; }
 
@@ -50,4 +50,4 @@ public:
 
 } // namespace blink
 
-#endif // CustomElementProcessingStep_h
+#endif // V0CustomElementProcessingStep_h