Replicate Content-Security-Policy into remote frame proxies.

third_party/WebKit/public/web/WebRemoteFrame.h

Index: third_party/WebKit/public/web/WebRemoteFrame.h
diff --git a/third_party/WebKit/public/web/WebRemoteFrame.h b/third_party/WebKit/public/web/WebRemoteFrame.h
index 65638c47a4b76f8f98574757bfd2c8faab8b8348..6e476d4e483d1d572308b12776db27588e0910cc 100644
--- a/third_party/WebKit/public/web/WebRemoteFrame.h
+++ b/third_party/WebKit/public/web/WebRemoteFrame.h
@@ -5,6 +5,7 @@
 #ifndef WebRemoteFrame_h
 #define WebRemoteFrame_h
 
+#include "public/web/WebContentSecurityPolicy.h"
 #include "public/web/WebFrame.h"
 #include "public/web/WebSandboxFlags.h"
 
@@ -13,6 +14,7 @@ namespace blink {
 enum class WebTreeScopeType;
 class WebFrameClient;
 class WebRemoteFrameClient;
+class WebString;
 
 class WebRemoteFrame : public WebFrame {
 public:
@@ -39,6 +41,12 @@ public:
     // Set frame |name| and |uniqueName| replicated from another process.
     virtual void setReplicatedName(const WebString& name, const WebString& uniqueName) const = 0;
 
+    // Adds |header| to the set of replicated CSP headers.
+    virtual void addReplicatedContentSecurityPolicyHeader(const WebString& headerValue, WebContentSecurityPolicyType, WebContentSecurityPolicySource) const = 0;
+
+    // Resets replicated CSP headers to an empty set.
+    virtual void resetReplicatedContentSecurityPolicy() const = 0;
+
     // Set frame enforcement of strict mixed content checking replicated from another process.
     virtual void setReplicatedShouldEnforceStrictMixedContentChecking(bool) const = 0;