Make net::URLRequestContext a MemoryDumpProvider

chrome/browser/io_thread.cc

Index: chrome/browser/io_thread.cc
diff --git a/chrome/browser/io_thread.cc b/chrome/browser/io_thread.cc
index 662c9e7b349f2cd1359adea8257f4aa60cd90f37..748adbb4953462c0d2d13feca40c12c319f52a7a 100644
--- a/chrome/browser/io_thread.cc
+++ b/chrome/browser/io_thread.cc
@@ -894,6 +894,7 @@ net::URLRequestContext* IOThread::ConstructSystemRequestContext(
       new net::HttpNetworkSession(system_params));
   globals->system_http_transaction_factory.reset(
       new net::HttpNetworkLayer(globals->system_http_network_session.get()));
+  context->set_name_string("system");
   context->set_http_transaction_factory(
       globals->system_http_transaction_factory.get());
 
@@ -1047,6 +1048,7 @@ net::URLRequestContext* IOThread::ConstructProxyScriptFetcherContext(
   globals->proxy_script_fetcher_http_transaction_factory.reset(
       new net::HttpNetworkLayer(
           globals->proxy_script_fetcher_http_network_session.get()));
+  context->set_name_string("proxy");
   context->set_http_transaction_factory(
       globals->proxy_script_fetcher_http_transaction_factory.get());