Cleanup namespace usage in public/platform/{Web[P-W]*,linux/*}.h

public/platform/WebURLError.h

 /*
  * Copyright (C) 2009 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 16 matching lines @@
  * (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 WebURLError_h
 #define WebURLError_h
 
 #include "WebString.h"
 #include "WebURL.h"
 
-#if INSIDE_BLINK
-namespace blink { class ResourceError; }
-#endif
+namespace blink {
 
-namespace blink {
+class ResourceError;
 
 struct WebURLError {
     // A namespace for "reason" to support various layers generating
     // resource errors. WebKit does not care about the value of this
     // string as it will just be passed via callbacks to the consumer.
     WebString domain;
 
     // A numeric error code detailing the reason for this error. A value
     // of 0 means no error. WebKit does not interpret the meaning of other
     // values and normally just forwards this error information back to the
@@ skipping 10 matching lines @@
 
     // The url that failed to load.
     WebURL unreachableURL;
 
     // A description for the error.
     WebString localizedDescription;
 
     WebURLError() : reason(0), staleCopyInCache(false), isCancellation(false) { }
 
 #if INSIDE_BLINK
-    BLINK_PLATFORM_EXPORT WebURLError(const blink::ResourceError&);
-    BLINK_PLATFORM_EXPORT WebURLError& operator=(const blink::ResourceError&);
-    BLINK_PLATFORM_EXPORT operator blink::ResourceError() const;
+    BLINK_PLATFORM_EXPORT WebURLError(const ResourceError&);
+    BLINK_PLATFORM_EXPORT WebURLError& operator=(const ResourceError&);
+    BLINK_PLATFORM_EXPORT operator ResourceError() const;
 #endif
 };
 
 } // namespace blink
 
 #endif