Extract the parsing of proxy rules to ProxyConfig::ProxyRules, and unit-test....

net/proxy/proxy_service_unittest.cc

Index: net/proxy/proxy_service_unittest.cc
===================================================================
--- net/proxy/proxy_service_unittest.cc	(revision 12729)
+++ net/proxy/proxy_service_unittest.cc	(working copy)
@@ -687,7 +687,7 @@
   // Test what happens when a proxy bypass list is specified.
 
   net::ProxyConfig config;
-  config.proxy_rules = "foopy1:8080;foopy2:9090";
+  config.proxy_rules.ParseFromString("foopy1:8080;foopy2:9090");
   config.auto_detect = false;
   config.proxy_bypass_local_names = true;
 
@@ -767,7 +767,7 @@
 
 TEST(ProxyServiceTest, PerProtocolProxyTests) {
   net::ProxyConfig config;
-  config.proxy_rules = "http=foopy1:8080;https=foopy2:8080";
+  config.proxy_rules.ParseFromString("http=foopy1:8080;https=foopy2:8080");
   config.auto_detect = false;
 
   SyncProxyService service1(new MockProxyConfigService(config),
@@ -797,7 +797,7 @@
   EXPECT_FALSE(info3.is_direct());
   EXPECT_EQ("foopy2:8080", info3.proxy_server().ToURI());
 
-  config.proxy_rules = "foopy1:8080";
+  config.proxy_rules.ParseFromString("foopy1:8080");
   SyncProxyService service4(new MockProxyConfigService(config),
                             new MockProxyResolver);
   GURL test_url4("www.microsoft.com");