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

Source/core/frame/csp/CSPDirectiveList.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/csp/CSPDirectiveList.h"
 
 #include "core/dom/Document.h"
 #include "core/dom/SecurityContext.h"
 #include "core/dom/SpaceSplitString.h"
@@ skipping 14 matching lines @@
 
 String getSha256String(const String& content)
 {
     DigestValue digest;
     StringUTF8Adaptor normalizedContent = normalizeSource(content);
     bool digestSuccess = computeDigest(HashAlgorithmSha256, normalizedContent.data(), normalizedContent.length(), digest);
     if (!digestSuccess) {
         return "sha256-...";
     }
 
-    // For consistency with Subresource Integrity, we output base64url encoded
-    // data in error messages.
-    return "sha256-" + base64URLEncode(reinterpret_cast<char*>(digest.data()), digest.size(), Base64DoNotInsertLFs);
+    return "sha256-" + base64Encode(reinterpret_cast<char*>(digest.data()), digest.size(), Base64DoNotInsertLFs);
 }
 
 }
 
 CSPDirectiveList::CSPDirectiveList(ContentSecurityPolicy* policy, ContentSecurityPolicyHeaderType type, ContentSecurityPolicyHeaderSource source)
     : m_policy(policy)
     , m_headerType(type)
     , m_headerSource(source)
     , m_reportOnly(false)
     , m_hasSandboxPolicy(false)
@@ skipping 746 matching lines @@
         setCSPDirective<SourceListDirective>(name, value, m_manifestSrc);
     } else if (RuntimeEnabledFeatures::suboriginsEnabled() && equalIgnoringCase(name, ContentSecurityPolicy::Suborigin)) {
         applySuboriginPolicy(name, value);
     } else {
         m_policy->reportUnsupportedDirective(name);
     }
 }
 
 
 } // namespace blink