Replicate a parsed feature policy representation so it doesn't need to be parsed in the browser pro…

content/renderer/render_frame_proxy.cc

Index: content/renderer/render_frame_proxy.cc
diff --git a/content/renderer/render_frame_proxy.cc b/content/renderer/render_frame_proxy.cc
index 4fde39f8fda4f52d00734d3d22c441259474d699..0a8cf8706fcd1de8d97d37d1123f0b809a8c6003 100644
--- a/content/renderer/render_frame_proxy.cc
+++ b/content/renderer/render_frame_proxy.cc
@@ -29,6 +29,7 @@
 #include "content/renderer/render_widget.h"
 #include "ipc/ipc_message_macros.h"
 #include "third_party/WebKit/public/platform/URLConversion.h"
+#include "third_party/WebKit/public/platform/WebFeaturePolicy.h"
 #include "third_party/WebKit/public/platform/WebString.h"
 #include "third_party/WebKit/public/web/WebLocalFrame.h"
 #include "third_party/WebKit/public/web/WebUserGestureIndicator.h"
@@ -47,6 +48,23 @@ static base::LazyInstance<RoutingIDProxyMap> g_routing_id_proxy_map =
 typedef std::map<blink::WebFrame*, RenderFrameProxy*> FrameMap;
 base::LazyInstance<FrameMap> g_frame_map = LAZY_INSTANCE_INITIALIZER;
 
+blink::WebVector<blink::WebFeaturePolicy::ParsedWhitelist>
+ToWebFeaturePolicyParsedWhitelist(
+    const std::vector<FeaturePolicyParsedWhitelist>& parsed_whitelists) {
+  std::vector<blink::WebFeaturePolicy::ParsedWhitelist> result;
+  for (const FeaturePolicyParsedWhitelist& whitelist : parsed_whitelists) {
+    blink::WebFeaturePolicy::ParsedWhitelist web_whitelist;
+    web_whitelist.featureName =
+        blink::WebString::fromUTF8(whitelist.feature_name);
+    web_whitelist.matchesAllOrigins = whitelist.matches_all_origins;
+    std::vector<blink::WebString> web_origins;
+    for (const std::string& origin : whitelist.origins)
+      web_origins.push_back(blink::WebString::fromUTF8(origin));
+    result.push_back(web_whitelist);
+  }
+  return result;
+}
+
 }  // namespace
 
 // static
@@ -224,7 +242,7 @@ void RenderFrameProxy::SetReplicatedState(const FrameReplicationState& state) {
   web_frame_->setReplicatedPotentiallyTrustworthyUniqueOrigin(
       state.has_potentially_trustworthy_unique_origin);
   web_frame_->setReplicatedFeaturePolicyHeader(
-      blink::WebString::fromUTF8(state.feature_policy_header));
+      ToWebFeaturePolicyParsedWhitelist(state.feature_policy_header));
 
   web_frame_->resetReplicatedContentSecurityPolicy();
   for (const auto& header : state.accumulated_csp_headers)