Modify SRI and CSP console messages to base64 hashes, not base64url.

Source/core/frame/SubresourceIntegrity.cpp

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "config.h"
 #include "core/frame/SubresourceIntegrity.h"
 
 #include "core/HTMLNames.h"
 #include "core/dom/Document.h"
 #include "core/dom/Element.h"
@@ skipping 43 matching lines @@
     for (size_t i = 0; i < digest1.size(); i++) {
         if (digest1[i] != digest2[i])
             return false;
     }
 
     return true;
 }
 
 static String digestToString(const DigestValue& digest)
 {
-    // We always output base64url encoded data, even though we use base64 internally.
-    return base64URLEncode(reinterpret_cast<const char*>(digest.data()), digest.size(), Base64DoNotInsertLFs);
+    return base64Encode(reinterpret_cast<const char*>(digest.data()), digest.size(), Base64DoNotInsertLFs);
 }
 
 
 HashAlgorithm SubresourceIntegrity::getPrioritizedHashFunction(HashAlgorithm algorithm1, HashAlgorithm algorithm2)
 {
     const HashAlgorithm weakerThanSha384[] = { HashAlgorithmSha256 };
     const HashAlgorithm weakerThanSha512[] = { HashAlgorithmSha256, HashAlgorithmSha384 };
 
     ASSERT(algorithm1 != HashAlgorithmSha1);
     ASSERT(algorithm2 != HashAlgorithmSha1);
@@ skipping 242 matching lines @@
         metadataList.append(integrityMetadata);
     }
 
     if (metadataList.size() == 0 && error)
         return IntegrityParseNoValidResult;
 
     return IntegrityParseValidResult;
 }
 
 } // namespace blink