PS - Adjusting webRequest API for use in Public Sessions

extensions/browser/api/web_request/web_request_event_details.cc

Index: extensions/browser/api/web_request/web_request_event_details.cc
diff --git a/extensions/browser/api/web_request/web_request_event_details.cc b/extensions/browser/api/web_request/web_request_event_details.cc
index a0ba5ba505c207df9d5f599d06ff0b3465d11123..d7a3e10c82713c857339ceb6b1323cfbc1f87b62 100644
--- a/extensions/browser/api/web_request/web_request_event_details.cc
+++ b/extensions/browser/api/web_request/web_request_event_details.cc
@@ -198,6 +198,36 @@ WebRequestEventDetails::GetAndClearDict() {
   return result;
 }
 
+void WebRequestEventDetails::FilterForPublicSession() {
+  request_body_ = nullptr;
+  request_headers_ = nullptr;
+  response_headers_ = nullptr;
+
+  extra_info_spec_ = 0;
+
+  static const char* const kSafeAttributes[] = {
+    "method", "requestId", "timeStamp", "type", "tabId", "frameId",
+    "parentFrameId", "fromCache", "error", "ip", "statusLine", "statusCode"
+  };
+
+  auto copy = GetAndClearDict();
+
+  for (const char* safe_attr : kSafeAttributes) {
+    std::unique_ptr<base::Value> val;
+    if (copy->Remove(safe_attr, &val))
+      dict_.Set(safe_attr, std::move(val));
+  }
+
+  // URL is stripped down to the origin.
+  std::string url;
+  copy->GetString(keys::kUrlKey, &url);
+  GURL gurl(url);
+  dict_.SetString(keys::kUrlKey, gurl.GetOrigin().spec());
+}
+
+WebRequestEventDetails::WebRequestEventDetails()
+    : extra_info_spec_(0), render_process_id_(0), render_frame_id_(0) {}
+
 void WebRequestEventDetails::OnDeterminedFrameData(
     std::unique_ptr<WebRequestEventDetails> self,
     const DeterminedFrameDataCallback& callback,