Cleanup namespace usage in public/web/Web[N-Z]*.h.

public/web/WebTextRun.h

 /*
  * Copyright (C) 2010 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 15 matching lines @@
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef WebTextRun_h
 #define WebTextRun_h
 
 #include "../platform/WebString.h"
 
-#if BLINK_IMPLEMENTATION
-namespace blink { class TextRun; }
-#endif
+namespace blink {
 
-namespace blink {
+class TextRun;
 
 struct WebTextRun {
     WebTextRun(const WebString& t, bool isRTL, bool hasDirectionalOverride)
         : text(t)
         , rtl(isRTL)
         , directionalOverride(hasDirectionalOverride)
     {
     }
     WebTextRun()
         : rtl(false)
         , directionalOverride(false)
     {
     }
 
     WebString text;
     bool rtl;
     bool directionalOverride;
 
 #if BLINK_IMPLEMENTATION
     // The resulting blink::TextRun will refer to the text in this
     // struct, so "this" must outlive the WebCore text run.
-    operator blink::TextRun() const;
+    operator TextRun() const;
 #endif
 };
 
 } // namespace blink
 
 #endif