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

net/base/wrapping_network_delegate.cc

Index: net/base/wrapping_network_delegate.cc
diff --git a/net/base/wrapping_network_delegate.cc b/net/base/wrapping_network_delegate.cc
new file mode 100644
index 0000000000000000000000000000000000000000..a74f5b2763602f75dd76315787e419ef76493451
--- /dev/null
+++ b/net/base/wrapping_network_delegate.cc
@@ -0,0 +1,291 @@
+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "net/base/wrapping_network_delegate.h"
+
+#include "net/base/net_errors.h"
+
+namespace net {
+
+WrappingNetworkDelegate::WrappingNetworkDelegate(
+    scoped_ptr<NetworkDelegate> network_delegate)
+    : wrapped_network_delegate_(network_delegate.Pass()) {}
+
+WrappingNetworkDelegate::~WrappingNetworkDelegate() {}
+
+int WrappingNetworkDelegate::OnBeforeURLRequest(
+    URLRequest* request,
+    const CompletionCallback& callback,
+    GURL* new_url) {
+  OnBeforeURLRequestInternal(request, callback, new_url);
+  return wrapped_network_delegate_->OnBeforeURLRequest(
+      request, callback, new_url);
+}
+
+void WrappingNetworkDelegate::OnBeforeURLRequestInternal(
+    URLRequest* request,
+    const CompletionCallback& callback,
+    GURL* new_url) {
+}
+
+void WrappingNetworkDelegate::OnResolveProxy(
+    const GURL& url,
+    int load_flags,
+    const ProxyService& proxy_service,
+    ProxyInfo* result) {
+  OnResolveProxyInternal(url, load_flags, proxy_service, result);
+  wrapped_network_delegate_->OnResolveProxy(
+      url, load_flags, proxy_service, result);
+}
+
+void WrappingNetworkDelegate::OnResolveProxyInternal(
+    const GURL& url,
+    int load_flags,
+    const ProxyService& proxy_service,
+    ProxyInfo* result) {
+}
+
+void WrappingNetworkDelegate::OnProxyFallback(const ProxyServer& bad_proxy,
+                                              int net_error) {
+  OnProxyFallbackInternal(bad_proxy, net_error);
+  wrapped_network_delegate_->OnProxyFallback(bad_proxy, net_error);
+}
+
+void WrappingNetworkDelegate::OnProxyFallbackInternal(
+    const ProxyServer& bad_proxy,
+    int net_error) {
+}
+
+int WrappingNetworkDelegate::OnBeforeSendHeaders(
+    URLRequest* request,
+    const CompletionCallback& callback,
+    HttpRequestHeaders* headers) {
+  OnBeforeSendHeadersInternal(request, callback, headers);
+  return wrapped_network_delegate_->OnBeforeSendHeaders(
+      request, callback, headers);
+}
+
+void WrappingNetworkDelegate::OnBeforeSendHeadersInternal(
+    URLRequest* request,
+    const CompletionCallback& callback,
+    HttpRequestHeaders* headers) {
+}
+
+void WrappingNetworkDelegate::OnBeforeSendProxyHeaders(
+    URLRequest* request,
+    const ProxyInfo& proxy_info,
+    HttpRequestHeaders* headers) {
+  OnBeforeSendProxyHeadersInternal(request, proxy_info, headers);
+  wrapped_network_delegate_->OnBeforeSendProxyHeaders(
+      request, proxy_info, headers);
+}
+
+void WrappingNetworkDelegate::OnBeforeSendProxyHeadersInternal(
+    URLRequest* request,
+    const ProxyInfo& proxy_info,
+    HttpRequestHeaders* headers) {
+}
+
+void WrappingNetworkDelegate::OnSendHeaders(URLRequest* request,
+                                            const HttpRequestHeaders& headers) {
+  OnSendHeadersInternal(request, headers);
+  wrapped_network_delegate_->OnSendHeaders(request, headers);
+}
+
+void WrappingNetworkDelegate::OnSendHeadersInternal(
+    URLRequest* request,
+    const HttpRequestHeaders& headers) {
+}
+
+int WrappingNetworkDelegate::OnHeadersReceived(
+    URLRequest* request,
+    const CompletionCallback& callback,
+    const HttpResponseHeaders* original_response_headers,
+    scoped_refptr<HttpResponseHeaders>* override_response_headers,
+    GURL* allowed_unsafe_redirect_url) {
+  OnHeadersReceivedInternal(
+      request, callback, original_response_headers,
+      override_response_headers, allowed_unsafe_redirect_url);
+  return wrapped_network_delegate_->OnHeadersReceived(
+      request, callback, original_response_headers,
+      override_response_headers, allowed_unsafe_redirect_url);
+}
+
+void WrappingNetworkDelegate::OnHeadersReceivedInternal(
+    URLRequest* request,
+    const CompletionCallback& callback,
+    const HttpResponseHeaders* original_response_headers,
+    scoped_refptr<HttpResponseHeaders>* override_response_headers,
+    GURL* allowed_unsafe_redirect_url) {
+}
+
+void WrappingNetworkDelegate::OnBeforeRedirect(URLRequest* request,
+                                               const GURL& new_location) {
+  OnBeforeRedirectInternal(request, new_location);
+  wrapped_network_delegate_->OnBeforeRedirect(request, new_location);
+}
+
+void WrappingNetworkDelegate::OnBeforeRedirectInternal(
+    URLRequest* request,
+    const GURL& new_location) {
+}
+
+void WrappingNetworkDelegate::OnResponseStarted(URLRequest* request) {
+  OnResponseStartedInternal(request);
+  wrapped_network_delegate_->OnResponseStarted(request);
+}
+
+void WrappingNetworkDelegate::OnResponseStartedInternal(URLRequest* request) {
+}
+
+void WrappingNetworkDelegate::OnRawBytesRead(const URLRequest& request,
+                                             int bytes_read) {
+  OnRawBytesReadInternal(request, bytes_read);
+  wrapped_network_delegate_->OnRawBytesRead(request, bytes_read);
+}
+
+void WrappingNetworkDelegate::OnRawBytesReadInternal(const URLRequest& request,
+                                                     int bytes_read) {
+}
+
+void WrappingNetworkDelegate::OnCompleted(URLRequest* request, bool started) {
+  OnCompletedInternal(request, started);
+  wrapped_network_delegate_->OnCompleted(request, started);
+}
+
+void WrappingNetworkDelegate::OnCompletedInternal(
+    URLRequest* request,
+    bool started) {
+}
+
+void WrappingNetworkDelegate::OnURLRequestDestroyed(URLRequest* request) {
+  OnURLRequestDestroyedInternal(request);
+  wrapped_network_delegate_->OnURLRequestDestroyed(request);
+}
+
+void WrappingNetworkDelegate::OnURLRequestDestroyedInternal(
+    URLRequest* request) {
+}
+
+void WrappingNetworkDelegate::OnPACScriptError(int line_number,
+                                               const base::string16& error) {
+  OnPACScriptErrorInternal(line_number, error);
+  wrapped_network_delegate_->OnPACScriptError(line_number, error);
+}
+
+void WrappingNetworkDelegate::OnPACScriptErrorInternal(
+    int line_number,
+    const base::string16& error) {
+}
+
+NetworkDelegate::AuthRequiredResponse WrappingNetworkDelegate::OnAuthRequired(
+    URLRequest* request,
+    const AuthChallengeInfo& auth_info,
+    const AuthCallback& callback,
+    AuthCredentials* credentials) {
+  OnAuthRequiredInternal(request, auth_info, callback, credentials);
+  return wrapped_network_delegate_->OnAuthRequired(
+      request, auth_info, callback, credentials);
+}
+
+void WrappingNetworkDelegate::OnAuthRequiredInternal(
+    URLRequest* request,
+    const AuthChallengeInfo& auth_info,
+    const AuthCallback& callback,
+    AuthCredentials* credentials) {
+}
+
+bool WrappingNetworkDelegate::OnCanGetCookies(const URLRequest& request,
+                                              const CookieList& cookie_list)  {
+  OnCanGetCookiesInternal(request, cookie_list);
+  return wrapped_network_delegate_->OnCanGetCookies(request, cookie_list);
+}
+
+void WrappingNetworkDelegate::OnCanGetCookiesInternal(
+    const URLRequest& request,
+    const CookieList& cookie_list)  {
+}
+
+bool WrappingNetworkDelegate::OnCanSetCookie(const URLRequest& request,
+                                             const std::string& cookie_line,
+                                             CookieOptions* options) {
+  OnCanSetCookieInternal(request, cookie_line, options);
+  return wrapped_network_delegate_->OnCanSetCookie(
+      request, cookie_line, options);
+}
+
+void WrappingNetworkDelegate::OnCanSetCookieInternal(
+    const URLRequest& request,
+    const std::string& cookie_line,
+    CookieOptions* options) {
+}
+
+bool WrappingNetworkDelegate::OnCanAccessFile(
+    const URLRequest& request,
+    const base::FilePath& path) const  {
+  OnCanAccessFileInternal(request, path);
+  return wrapped_network_delegate_->OnCanAccessFile(request, path);
+}
+
+void WrappingNetworkDelegate::OnCanAccessFileInternal(
+    const URLRequest& request,
+    const base::FilePath& path) const  {
+}
+
+bool WrappingNetworkDelegate::OnCanThrottleRequest(
+    const URLRequest& request) const {
+  OnCanThrottleRequestInternal(request);
+  return wrapped_network_delegate_->OnCanThrottleRequest(request);
+}
+
+void WrappingNetworkDelegate::OnCanThrottleRequestInternal(
+    const URLRequest& request) const {
+}
+
+bool WrappingNetworkDelegate::OnCanEnablePrivacyMode(
+    const GURL& url,
+    const GURL& first_party_for_cookies) const {
+  OnCanEnablePrivacyModeInternal(url, first_party_for_cookies);
+  return wrapped_network_delegate_->OnCanEnablePrivacyMode(
+      url, first_party_for_cookies);
+}
+
+void WrappingNetworkDelegate::OnCanEnablePrivacyModeInternal(
+    const GURL& url,
+    const GURL& first_party_for_cookies) const {
+}
+
+int WrappingNetworkDelegate::OnBeforeSocketStreamConnect(
+    SocketStream* socket,
+    const CompletionCallback& callback) {
+  OnBeforeSocketStreamConnectInternal(socket, callback);
+  return wrapped_network_delegate_->OnBeforeSocketStreamConnect(
+      socket, callback);
+}
+
+void WrappingNetworkDelegate::OnBeforeSocketStreamConnectInternal(
+    SocketStream* socket,
+    const CompletionCallback& callback) {
+}
+
+bool
+WrappingNetworkDelegate::OnCancelURLRequestWithPolicyViolatingReferrerHeader(
+    const URLRequest& request,
+    const GURL& target_url,
+    const GURL& referrer_url) const {
+  OnCancelURLRequestWithPolicyViolatingReferrerHeaderInternal(
+      request, target_url, referrer_url);
+  return wrapped_network_delegate_->
+      OnCancelURLRequestWithPolicyViolatingReferrerHeader(
+          request, target_url, referrer_url);
+}
+
+void WrappingNetworkDelegate::
+OnCancelURLRequestWithPolicyViolatingReferrerHeaderInternal(
+    const URLRequest& request,
+    const GURL& target_url,
+    const GURL& referrer_url) const {
+}
+
+}  // namespace net