Add ClientConfig proto, and JSON generation/parsing.

components/data_reduction_proxy/core/common/data_reduction_proxy_params_unittest.cc

Index: components/data_reduction_proxy/core/common/data_reduction_proxy_params_unittest.cc
diff --git a/components/data_reduction_proxy/core/common/data_reduction_proxy_params_unittest.cc b/components/data_reduction_proxy/core/common/data_reduction_proxy_params_unittest.cc
index e2e8120cbff5d0573f403bce91cd25b5497c4b32..aa5074125c123d1d839026bb3012dfde7aa97413 100644
--- a/components/data_reduction_proxy/core/common/data_reduction_proxy_params_unittest.cc
+++ b/components/data_reduction_proxy/core/common/data_reduction_proxy_params_unittest.cc
@@ -7,6 +7,7 @@
 #include <map>
 
 #include "base/command_line.h"
+#include "base/values.h"
 #include "components/data_reduction_proxy/core/common/data_reduction_proxy_params_test_utils.h"
 #include "components/data_reduction_proxy/core/common/data_reduction_proxy_switches.h"
 #include "net/proxy/proxy_server.h"
@@ -766,4 +767,30 @@ TEST_F(DataReductionProxyParamsTest, AndroidOnePromoFieldTrial) {
       "google/hammerhead/hammerhead:5.0/LRX210/1570415:user/release-keys"));
 }
 
+TEST_F(DataReductionProxyParamsTest, PopulateConfigResponse) {
+  DataReductionProxyParams params(
+      DataReductionProxyParams::kAllowed |
+      DataReductionProxyParams::kAlternativeAllowed);
+  scoped_ptr<base::DictionaryValue> values(new base::DictionaryValue());
+  params.PopulateConfigResponse(values.get());
+  base::DictionaryValue* proxy_config;
+  EXPECT_TRUE(values->GetDictionary("proxyConfig", &proxy_config));
+  base::ListValue* proxy_servers;
+  EXPECT_TRUE(proxy_config->GetList("httpProxyServers", &proxy_servers));
+  EXPECT_TRUE(proxy_servers->GetSize() == 2);
+  base::DictionaryValue* server;
+  EXPECT_TRUE(proxy_servers->GetDictionary(0, &server));
+  std::string host;
+  int port;
+  EXPECT_TRUE(server->GetString("host", &host));
+  EXPECT_TRUE(server->GetInteger("port", &port));
+  EXPECT_EQ(params.origin().host_port_pair().host(), host);
+  EXPECT_EQ(params.origin().host_port_pair().port(), port);
+  EXPECT_TRUE(proxy_servers->GetDictionary(1, &server));
+  EXPECT_TRUE(server->GetString("host", &host));
+  EXPECT_TRUE(server->GetInteger("port", &port));
+  EXPECT_EQ(params.fallback_origin().host_port_pair().host(), host);
+  EXPECT_EQ(params.fallback_origin().host_port_pair().port(), port);
+}
+
 }  // namespace data_reduction_proxy