Set response headers for data URL.

content/child/web_url_loader_impl.h

Index: content/child/web_url_loader_impl.h
diff --git a/content/child/web_url_loader_impl.h b/content/child/web_url_loader_impl.h
index 01e65b81e9e338d8bc61a7c504347aa19964ad11..275da0497a809358f829f1c1eb270e94f844fa64 100644
--- a/content/child/web_url_loader_impl.h
+++ b/content/child/web_url_loader_impl.h
@@ -5,16 +5,26 @@
 #ifndef CONTENT_CHILD_WEB_URL_LOADER_IMPL_H_
 #define CONTENT_CHILD_WEB_URL_LOADER_IMPL_H_
 
+#include <string>
+
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "content/common/content_export.h"
 #include "third_party/WebKit/public/platform/WebURLLoader.h"
 
+class GURL;
+
 namespace content {
 
 class ResourceDispatcher;
 struct ResourceResponseInfo;
 
+// Extracts info from a data scheme URL into |info| and |data|. Returns net::OK
+// if successful. Returns a net error code otherwise. Exported only for testing.
+CONTENT_EXPORT int GetInfoFromDataURL(const GURL& url,
+                                      ResourceResponseInfo* info,
+                                      std::string* data);
+
 class CONTENT_EXPORT WebURLLoaderImpl
     : public NON_EXPORTED_BASE(blink::WebURLLoader) {
  public: