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

content/renderer/render_frame_impl.h

Index: content/renderer/render_frame_impl.h
diff --git a/content/renderer/render_frame_impl.h b/content/renderer/render_frame_impl.h
index 50be34cfedf5164ca90bb32dba286b15f9392dce..ddf08af3973532c346262320603898f07052a790 100644
--- a/content/renderer/render_frame_impl.h
+++ b/content/renderer/render_frame_impl.h
@@ -50,6 +50,7 @@
 #include "services/service_manager/public/interfaces/connector.mojom.h"
 #include "services/service_manager/public/interfaces/interface_provider.mojom.h"
 #include "third_party/WebKit/public/platform/WebEffectiveConnectionType.h"
+#include "third_party/WebKit/public/platform/WebFeaturePolicy.h"
 #include "third_party/WebKit/public/platform/WebFocusType.h"
 #include "third_party/WebKit/public/platform/WebLoadingBehaviorFlag.h"
 #include "third_party/WebKit/public/platform/WebMediaPlayer.h"
@@ -488,7 +489,9 @@ class CONTENT_EXPORT RenderFrameImpl
       bool is_potentially_trustworthy_unique_origin) override;
   void didChangeSandboxFlags(blink::WebFrame* child_frame,
                              blink::WebSandboxFlags flags) override;
-  void didSetFeaturePolicyHeader(const blink::WebString& header_value) override;
+  void didSetFeaturePolicyHeader(
+      const blink::WebVector<blink::WebFeaturePolicy::ParsedWhitelist>&

[iclelland, 2016/11/23 20:20:28]

This type is used so much, what do you think about declaring it with a using
decl in WebFeaturePolicy.h, something like

using WebParsedFeaturePolicyHeader =
WebVector<WebFeaturePolicy::ParsedWhitelist>

[raymes, 2016/11/29 08:20:34]

Done - I was contemplating that :P. I called it WebParsedFeaturePolicy since it
might not necessarily be a header (the same structure could represent an
attribute).

+          parsed_header) override;
   void didAddContentSecurityPolicy(
       const blink::WebString& header_value,
       blink::WebContentSecurityPolicyType type,