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

extensions/shell/browser/shell_network_delegate.h

Index: extensions/shell/browser/shell_network_delegate.h
diff --git a/extensions/shell/browser/shell_network_delegate.h b/extensions/shell/browser/shell_network_delegate.h
index 7b60bab3c34af60a7a8a7533b60186d282e5a0c2..7eef370fba4a25e168dc54003caafe5f73e89f63 100644
--- a/extensions/shell/browser/shell_network_delegate.h
+++ b/extensions/shell/browser/shell_network_delegate.h
@@ -6,13 +6,13 @@
 #define EXTENSIONS_SHELL_BROWSER_SHELL_NETNETWORK_DELEGATE_H_
 
 #include "extensions/browser/info_map.h"
-#include "net/base/network_delegate.h"
+#include "net/base/network_delegate_impl.h"
 
 namespace extensions {
 
 class InfoMap;
 
-class ShellNetworkDelegate : public net::NetworkDelegate {
+class ShellNetworkDelegate : public net::NetworkDelegateImpl {
  public:
   ShellNetworkDelegate(void* browser_context, InfoMap* extension_info_map);
   ~ShellNetworkDelegate() override;