CSP: group policies in didAddContentSecurityPolicy.

content/common/frame_messages.h

 // Copyright 2013 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.
 
 // IPC messages for interacting with frames.
 // Multiply-included message file, hence no include guard.
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 1093 matching lines @@
                     content::ParsedFeaturePolicyHeader /* parsed_header */)
 
 // Notifies the browser process about a new Content Security Policy that needs
 // to be applies to the frame.  This message is sent when a frame commits
 // navigation to a new location (reporting accumulated policies from HTTP
 // headers and/or policies that might have been inherited from the parent frame)
 // or when a new policy has been discovered afterwards (i.e. found in a
 // dynamically added or a static <meta> element).
 IPC_MESSAGE_ROUTED2(FrameHostMsg_DidAddContentSecurityPolicy,
                     content::ContentSecurityPolicyHeader,
-                    std::vector<content::ContentSecurityPolicy>)
+                    content::ContentSecurityPolicy)
 
 // Sent when the frame starts enforcing an insecure request policy. Sending
 // this information in DidCommitProvisionalLoad isn't sufficient; this
 // message is needed because, for example, a document can dynamically insert
 // a <meta> tag that causes strict mixed content checking to be enforced.
 IPC_MESSAGE_ROUTED1(FrameHostMsg_EnforceInsecureRequestPolicy,
                     blink::WebInsecureRequestPolicy)
 
 // Sent when the frame is set to a unique origin. TODO(estark): this IPC
 // only exists to support dynamic sandboxing via a CSP delivered in a
@@ skipping 520 matching lines @@
                     int /* nfr_request_id */,
                     float /* distance */)
 
 IPC_MESSAGE_ROUTED0(FrameHostMsg_NavigationHandledByEmbedder)
 #endif
 
 // Adding a new message? Stick to the sort order above: first platform
 // independent FrameMsg, then ifdefs for platform specific FrameMsg, then
 // platform independent FrameHostMsg, then ifdefs for platform specific
 // FrameHostMsg.