Implement ContentSecurityPolicy on the browser-side.

content/browser/frame_host/frame_tree_node.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/browser/frame_host/frame_tree_node.h"
 
 #include <queue>
 #include <utility>
 
 #include "base/lazy_instance.h"
@@ skipping 273 matching lines @@
 void FrameTreeNode::SetFeaturePolicyHeader(
     const ParsedFeaturePolicyHeader& parsed_header) {
   replication_state_.feature_policy_header = parsed_header;
 }
 
 void FrameTreeNode::ResetFeaturePolicyHeader() {
   replication_state_.feature_policy_header.clear();
 }
 
 void FrameTreeNode::AddContentSecurityPolicy(
-    const ContentSecurityPolicyHeader& header) {
+    const ContentSecurityPolicyHeader& header,
+    const std::vector<ContentSecurityPolicy>& policies) {
   replication_state_.accumulated_csp_headers.push_back(header);
   render_manager_.OnDidAddContentSecurityPolicy(header);
+  csp_policies_.insert(csp_policies_.end(), policies.begin(), policies.end());
 }
 
 void FrameTreeNode::ResetContentSecurityPolicy() {
   replication_state_.accumulated_csp_headers.clear();
   render_manager_.OnDidResetContentSecurityPolicy();
+  csp_policies_.clear();
 }
 
 void FrameTreeNode::SetInsecureRequestPolicy(
     blink::WebInsecureRequestPolicy policy) {
   if (policy == replication_state_.insecure_request_policy)
     return;
   render_manager_.OnEnforceInsecureRequestPolicy(policy);
   replication_state_.insecure_request_policy = policy;
 }
 
@@ skipping 241 matching lines @@
       }
       return parent_->child_at(i + relative_offset);
     }
   }
 
   NOTREACHED() << "FrameTreeNode not found in its parent's children.";
   return nullptr;
 }
 
 }  // namespace content