Implement ContentSecurityPolicy on the browser-side.

content/renderer/render_frame_impl.cc

 // 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.
 
 #include "content/renderer/render_frame_impl.h"
 
 #include <map>
 #include <string>
 #include <utility>
 #include <vector>
@@ skipping 34 matching lines @@
 #include "content/child/v8_value_converter_impl.h"
 #include "content/child/web_url_loader_impl.h"
 #include "content/child/web_url_request_util.h"
 #include "content/child/webmessageportchannel_impl.h"
 #include "content/child/weburlresponse_extradata_impl.h"
 #include "content/common/accessibility_messages.h"
 #include "content/common/associated_interface_provider_impl.h"
 #include "content/common/associated_interfaces.mojom.h"
 #include "content/common/clipboard_messages.h"
 #include "content/common/content_constants_internal.h"
+#include "content/common/content_security_policy/csp_context.h"
 #include "content/common/content_security_policy_header.h"
 #include "content/common/download/mhtml_save_status.h"
 #include "content/common/edit_command.h"
 #include "content/common/frame_messages.h"
 #include "content/common/frame_owner_properties.h"
 #include "content/common/frame_replication_state.h"
 #include "content/common/input_messages.h"
 #include "content/common/navigation_params.h"
 #include "content/common/page_messages.h"
 #include "content/common/savable_subframe.h"
@@ skipping 3124 matching lines @@
 void RenderFrameImpl::didSetFeaturePolicyHeader(
     const blink::WebParsedFeaturePolicy& parsed_header) {
   Send(new FrameHostMsg_DidSetFeaturePolicyHeader(
       routing_id_, ToParsedFeaturePolicy(parsed_header)));
 }
 
 void RenderFrameImpl::didAddContentSecurityPolicy(
     const blink::WebString& header_value,
     blink::WebContentSecurityPolicyType type,
     blink::WebContentSecurityPolicySource source) {
-  if (!SiteIsolationPolicy::AreCrossProcessFramesPossible())
-    return;
+  //if (!SiteIsolationPolicy::AreCrossProcessFramesPossible())

[nasko, 2017/01/23 22:54:50]

nit: Hopefully not committing this, right? :)

+    //return;
 
   ContentSecurityPolicyHeader header;
   header.header_value = base::UTF16ToUTF8(base::StringPiece16(header_value));
   header.type = type;
   header.source = source;
-  Send(new FrameHostMsg_DidAddContentSecurityPolicy(routing_id_, header));
+  CSPContext context;
+  Send(new FrameHostMsg_DidAddContentSecurityPolicy(
+      routing_id_, header, CSPPolicy::Parse(&context, header)));
 }
 
 void RenderFrameImpl::didChangeFrameOwnerProperties(
     blink::WebFrame* child_frame,
     const blink::WebFrameOwnerProperties& frame_owner_properties) {
   Send(new FrameHostMsg_DidChangeFrameOwnerProperties(
       routing_id_, GetRoutingIdForFrameOrProxy(child_frame),
       FrameOwnerProperties(frame_owner_properties)));
 }
 
@@ skipping 3649 matching lines @@
   // event target. Potentially a Pepper plugin will receive the event.
   // In order to tell whether a plugin gets the last mouse event and which it
   // is, we set |pepper_last_mouse_event_target_| to null here. If a plugin gets
   // the event, it will notify us via DidReceiveMouseEvent() and set itself as
   // |pepper_last_mouse_event_target_|.
   pepper_last_mouse_event_target_ = nullptr;
 #endif
 }
 
 }  // namespace content