Revert of Extract webkit_unit_tests from blink_web component.

third_party/WebKit/public/web/WebTestingSupport.h

 /*
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 16 matching lines @@
 #define WebTestingSupport_h
 
 #include "../platform/WebCommon.h"
 #include "WebFrame.h"
 #include <v8.h>
 
 namespace blink {
 
 class WebTestingSupport {
 public:
-    static v8::Local<v8::Value> createInternalsObject(v8::Local<v8::Context>);
-    static void injectInternalsObject(WebLocalFrame*);
-    static void resetInternalsObject(WebLocalFrame*);
+    BLINK_EXPORT static v8::Local<v8::Value> createInternalsObject(v8::Local<v8::Context>);
+    BLINK_EXPORT static void injectInternalsObject(WebLocalFrame*);
+    BLINK_EXPORT static void resetInternalsObject(WebLocalFrame*);
 };
 
 }
 
 #endif