Add functionality for embedders to configure NQE

components/cronet/url_request_context_config.h

Index: components/cronet/url_request_context_config.h
diff --git a/components/cronet/url_request_context_config.h b/components/cronet/url_request_context_config.h
index 6e55a92a29e665e6ed0626039ef1f67316ff76f2..0011450a94a1950e6acb0bae7ac9136a9b5d3932 100644
--- a/components/cronet/url_request_context_config.h
+++ b/components/cronet/url_request_context_config.h
@@ -139,13 +139,6 @@ struct URLRequestContextConfig {
   const std::string storage_path;
   // User-Agent request header field.
   const std::string user_agent;
-  // Experimental options encoded as a string in a JSON format containing
-  // experiments and their corresponding configuration options. The format
-  // is a JSON object with the name of the experiment as the key, and the
-  // configuration options as the value. An example:
-  //   {"experiment1": {"option1": "option_value1", "option2": "option_value2",
-  //    ...}, "experiment2: {"option3", "option_value3", ...}, ...}
-  const std::string experimental_options;
 
   // Certificate verifier for testing.
   std::unique_ptr<net::CertVerifier> mock_cert_verifier;
@@ -169,6 +162,14 @@ struct URLRequestContextConfig {
   std::unique_ptr<base::DictionaryValue> effective_experimental_options;
 
  private:
+  // Experimental options encoded as a string in a JSON format containing
+  // experiments and their corresponding configuration options. The format
+  // is a JSON object with the name of the experiment as the key, and the
+  // configuration options as the value. An example:
+  //   {"experiment1": {"option1": "option_value1", "option2": "option_value2",
+  //    ...}, "experiment2: {"option3", "option_value3", ...}, ...}
+  const std::string experimental_options;

[xunjieli, 2017/05/02 17:56:34]

nice!

+
   DISALLOW_COPY_AND_ASSIGN(URLRequestContextConfig);
 };