Move data reduction proxy logic out of chrome and android webview network delegate

net/proxy/network_delegate_error_observer_unittest.cc

Index: net/proxy/network_delegate_error_observer_unittest.cc
diff --git a/net/proxy/network_delegate_error_observer_unittest.cc b/net/proxy/network_delegate_error_observer_unittest.cc
index da87f8d9f3d4e0df65b313972ff288fd7b2f9c77..0a2e01ace646ce4bf676b932db6fa877fface17f 100644
--- a/net/proxy/network_delegate_error_observer_unittest.cc
+++ b/net/proxy/network_delegate_error_observer_unittest.cc
@@ -9,14 +9,14 @@
 #include "base/message_loop/message_loop_proxy.h"
 #include "base/threading/thread.h"
 #include "net/base/net_errors.h"
-#include "net/base/network_delegate.h"
+#include "net/base/network_delegate_impl.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace net {
 
 namespace {
 
-class TestNetworkDelegate : public net::NetworkDelegate {
+class TestNetworkDelegate : public net::NetworkDelegateImpl {
  public:
   TestNetworkDelegate() : got_pac_error_(false) {}
   ~TestNetworkDelegate() override {}