Add exports needed for glue to build as a component.

webkit/glue/alt_error_page_resource_fetcher.h

Index: webkit/glue/alt_error_page_resource_fetcher.h
diff --git a/webkit/glue/alt_error_page_resource_fetcher.h b/webkit/glue/alt_error_page_resource_fetcher.h
index 5987fe15bb2a111b287708cb345c8e6fcb353200..b402d4ec01b07e0647eb81f68806adaba53bfb3b 100644
--- a/webkit/glue/alt_error_page_resource_fetcher.h
+++ b/webkit/glue/alt_error_page_resource_fetcher.h
@@ -9,6 +9,7 @@
 #include "base/memory/scoped_ptr.h"
 #include "googleurl/src/gurl.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebURLError.h"
+#include "webkit/glue/webkit_glue_export.h"
 
 namespace WebKit {
 class WebFrame;
@@ -28,11 +29,12 @@ class AltErrorPageResourceFetcher {
   typedef base::Callback<void(WebKit::WebFrame*, const WebKit::WebURLError&,
                     const std::string&)> Callback;
 
-  AltErrorPageResourceFetcher(const GURL& url,
-                              WebKit::WebFrame* frame,
-                              const WebKit::WebURLError& original_error,
-                              const Callback& callback);
-  ~AltErrorPageResourceFetcher();
+  WEBKIT_GLUE_EXPORT AltErrorPageResourceFetcher(
+      const GURL& url,
+      WebKit::WebFrame* frame,
+      const WebKit::WebURLError& original_error,
+      const Callback& callback);
+  WEBKIT_GLUE_EXPORT ~AltErrorPageResourceFetcher();
 
   // Stop any pending loads.
   void Cancel();