PlzNavigate: Enforce 'frame-src' CSP on the browser.

content/browser/frame_host/frame_tree_node.h

Index: content/browser/frame_host/frame_tree_node.h
diff --git a/content/browser/frame_host/frame_tree_node.h b/content/browser/frame_host/frame_tree_node.h
index 7368c7f4a8611b23f72650560f58bb3dde748569..bb511370a408921f33f314a5bb0464db6663a104 100644
--- a/content/browser/frame_host/frame_tree_node.h
+++ b/content/browser/frame_host/frame_tree_node.h
@@ -17,7 +17,6 @@
 #include "content/browser/frame_host/render_frame_host_impl.h"
 #include "content/browser/frame_host/render_frame_host_manager.h"
 #include "content/common/content_export.h"
-#include "content/common/content_security_policy/content_security_policy.h"
 #include "content/common/frame_owner_properties.h"
 #include "content/common/frame_replication_state.h"
 #include "third_party/WebKit/public/platform/WebInsecureRequestPolicy.h"
@@ -170,9 +169,7 @@ class CONTENT_EXPORT FrameTreeNode {
 
   // Add CSP header to replication state, notify proxies about the update and
   // enforce it on the browser.
-  void AddContentSecurityPolicy(
-      const ContentSecurityPolicyHeader& header,
-      const std::vector<ContentSecurityPolicy>& policies);
+  void AddContentSecurityPolicy(const ContentSecurityPolicyHeader& header);
 
   // Discards previous CSP headers and notifies proxies about the update.
   // Typically invoked after committing navigation to a new document (since the
@@ -404,9 +401,6 @@ class CONTENT_EXPORT FrameTreeNode {
   // to the core logic of FrameTreeNode.
   FrameTreeNodeBlameContext blame_context_;
 
-  // A set of Content-Security-Policies to enforce on the browser-side.
-  std::vector<ContentSecurityPolicy> csp_policies_;
-
   DISALLOW_COPY_AND_ASSIGN(FrameTreeNode);
 };