Move blob-related code to platform/blob

Source/platform/blob/BlobURL.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 13 matching lines @@
  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * 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 BlobURL_h
 #define BlobURL_h
 
+#include "platform/PlatformExport.h"
 #include "wtf/Forward.h"
 
 namespace WebCore {
 
 class KURL;
 class SecurityOrigin;
 
 // Public blob URLs are of the form
 //     blob:%escaped_origin%/%UUID%
 // The origin of the host page is encoded in the URL value to
 // allow easy lookup of the origin when security checks need to be performed.
 // When loading blobs via ResourceHandle or when reading blobs via FileReader
 // the loader conducts security checks that examine the origin of host page
 // encoded in the blob url.
-class BlobURL {
+class PLATFORM_EXPORT BlobURL {
 public:
     static KURL createPublicURL(SecurityOrigin*);
     static String getOrigin(const KURL&);
 
     static KURL createInternalStreamURL();
 
 private:
     static KURL createBlobURL(const String& originString);
     static const char kBlobProtocol[];
     BlobURL() { }
 };
 
 }
 
 #endif // BlobURL_h