Set the same headers for data URLs in WebURLLoaderImpl and ResourceFetcher

third_party/WebKit/Source/platform/network/NetworkUtils.h

Index: third_party/WebKit/Source/platform/network/NetworkUtils.h
diff --git a/third_party/WebKit/Source/platform/network/NetworkUtils.h b/third_party/WebKit/Source/platform/network/NetworkUtils.h
index a6b2778010a4b86a5dc178bb2deb1bb235c4ebca..5050582e4a7f28bac519b4d1047fb5e5513768f6 100644
--- a/third_party/WebKit/Source/platform/network/NetworkUtils.h
+++ b/third_party/WebKit/Source/platform/network/NetworkUtils.h
@@ -12,6 +12,7 @@ namespace blink {
 
 class KURL;
 class SharedBuffer;
+class ResourceResponse;
 
 namespace NetworkUtils {
 
@@ -27,11 +28,10 @@ PLATFORM_EXPORT bool isLocalHostname(const String& host, bool* isLocal6);
 PLATFORM_EXPORT String getDomainAndRegistry(const String& host,
                                             PrivateRegistryFilter);
 
-// Returns the decoded data url if url had a supported mimetype and parsing was
-// successful.
+// Returns the decoded data url as ResourceResponse and SharedBuffer
+// if url had a supported mimetype and parsing was successful.
 PLATFORM_EXPORT PassRefPtr<SharedBuffer> parseDataURL(const KURL&,
-                                                      AtomicString& mimetype,
-                                                      AtomicString& charset);
+                                                      ResourceResponse&);
 
 PLATFORM_EXPORT bool isRedirectResponseCode(int);