CSP: group policies in didAddContentSecurityPolicy.

content/common/content_security_policy_header.cc

Index: content/common/content_security_policy_header.cc
diff --git a/content/common/content_security_policy_header.cc b/content/common/content_security_policy_header.cc
new file mode 100644
index 0000000000000000000000000000000000000000..13ec75d738e567ed51d6dd6c4fd15c1164027aa2
--- /dev/null
+++ b/content/common/content_security_policy_header.cc
@@ -0,0 +1,20 @@
+// Copyright 2017 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 "content/common/content_security_policy_header.h"
+
+namespace content {
+
+ContentSecurityPolicyHeader::ContentSecurityPolicyHeader()
+    : header_value(std::string()),
+      type(blink::WebContentSecurityPolicyTypeEnforce),
+      source(blink::WebContentSecurityPolicySourceHTTP) {}
+
+ContentSecurityPolicyHeader::ContentSecurityPolicyHeader(
+    const std::string& header_value,
+    blink::WebContentSecurityPolicyType type,
+    blink::WebContentSecurityPolicySource source)
+    : header_value(header_value), type(type), source(source) {}
+
+}  // namespace content