DevTools: generate string16-based handlers for v8_inspector.

third_party/WebKit/Source/core/inspector/DOMEditor.h

Index: third_party/WebKit/Source/core/inspector/DOMEditor.h
diff --git a/third_party/WebKit/Source/core/inspector/DOMEditor.h b/third_party/WebKit/Source/core/inspector/DOMEditor.h
index 551517a5a03116f972a0785848d00d94d4ae14e5..8aeadc3047deb46a2843884a2af5a0a1f4acac41 100644
--- a/third_party/WebKit/Source/core/inspector/DOMEditor.h
+++ b/third_party/WebKit/Source/core/inspector/DOMEditor.h
@@ -32,6 +32,7 @@
 #define DOMEditor_h
 
 #include "platform/heap/Handle.h"
+#include "platform/inspector_protocol/TypeBuilder.h"
 #include "wtf/text/WTFString.h"
 
 namespace blink {
@@ -43,8 +44,6 @@ class InspectorHistory;
 class Node;
 class Text;
 
-typedef String ErrorString;
-
 class DOMEditor final : public NoBaseWillBeGarbageCollected<DOMEditor> {
     WTF_MAKE_NONCOPYABLE(DOMEditor);
     USING_FAST_MALLOC_WILL_BE_REMOVED(DOMEditor);