Add option to build googleurl as dll...

src/url_canon_icu.h

 // Copyright 2007, 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 27 matching lines @@
 
 namespace url_canon {
 
 // An implementation of CharsetConverter that implementations can use to
 // interface the canonicalizer with ICU's conversion routines.
 class ICUCharsetConverter : public CharsetConverter {
  public:
   // Constructs a converter using an already-existing ICU character set
   // converter. This converter is NOT owned by this object; the lifetime must
   // be managed by the creator such that it is alive as long as this is.
-  ICUCharsetConverter(UConverter* converter);
+  GURL_API ICUCharsetConverter(UConverter* converter);
 
-  virtual ~ICUCharsetConverter() {}
+  GURL_API virtual ~ICUCharsetConverter() {}
 
-  virtual void ConvertFromUTF16(const char16* input,
-                                int input_len,
-                                CanonOutput* output);
+  GURL_API virtual void ConvertFromUTF16(const char16* input,
+                                         int input_len,
+                                         CanonOutput* output);
 
  private:
   // The ICU converter, not owned by this class.
   UConverter* converter_;
 };
 
 }  // namespace url_canon
 
 #endif  // GOOGLEURL_SRC_URL_CANON_ICU_H__