Replicate Content-Security-Policy into remote frame proxies.

content/renderer/render_frame_impl.cc

Index: content/renderer/render_frame_impl.cc
diff --git a/content/renderer/render_frame_impl.cc b/content/renderer/render_frame_impl.cc
index 8b82079aa7bc60fc6c74c3f5b813b6145973f607..0c280d4d973c7e0e046d8bbffbcd6e1f75d013f1 100644
--- a/content/renderer/render_frame_impl.cc
+++ b/content/renderer/render_frame_impl.cc
@@ -50,6 +50,7 @@
 #include "content/child/weburlresponse_extradata_impl.h"
 #include "content/common/accessibility_messages.h"
 #include "content/common/clipboard_messages.h"
+#include "content/common/content_security_policy_header.h"
 #include "content/common/frame_messages.h"
 #include "content/common/frame_replication_state.h"
 #include "content/common/gpu/client/context_provider_command_buffer.h"
@@ -6014,6 +6015,17 @@ blink::ServiceRegistry* RenderFrameImpl::serviceRegistry() {
   return &blink_service_registry_;
 }
 
+void RenderFrameImpl::didAddContentSecurityPolicy(
+    const blink::WebString& header_value,
+    blink::WebContentSecurityPolicyType type,
+    blink::WebContentSecurityPolicySource source) {
+  ContentSecurityPolicyHeader header;
+  header.header_value = base::UTF16ToUTF8(base::StringPiece16(header_value));
+  header.type = type;
+  header.source = source;
+  Send(new FrameHostMsg_DidAddContentSecurityPolicy(routing_id_, header));
+}
+
 blink::WebPlugin* RenderFrameImpl::GetWebPluginForFind() {
   if (!is_main_frame_)
     return nullptr;