prune down content_dll change to just the CONTENT_EXPORTS

content/browser/resource_context.h

Index: content/browser/resource_context.h
diff --git a/content/browser/resource_context.h b/content/browser/resource_context.h
index f2ac4c56ad88c3204cac3cd8074fb540951a5d24..f53de50058e20463a6a373c3c297b793d7d1f42d 100644
--- a/content/browser/resource_context.h
+++ b/content/browser/resource_context.h
@@ -10,6 +10,7 @@
 #include "base/basictypes.h"
 #include "base/callback.h"
 #include "base/memory/ref_counted.h"
+#include "content/common/content_export.h"
 
 class ChromeAppCacheService;
 class ChromeBlobStorageContext;
@@ -39,7 +40,7 @@ namespace content {
 // resource loading. It lives on the IO thread, although it is constructed on
 // the UI thread. ResourceContext doesn't own anything it points to, it just
 // holds pointers to relevant objects to resource loading.
-class ResourceContext {
+class CONTENT_EXPORT ResourceContext {
  public:
   virtual ~ResourceContext();