Rename IPC::Channel and IPC::Sender in src/chrome.

chrome/browser/renderer_host/chrome_resource_dispatcher_host_delegate.cc

 // Copyright (c) 2012 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 "chrome/browser/renderer_host/chrome_resource_dispatcher_host_delegate.h"
 
 #include <string>
 
 #include "base/base64.h"
 #include "base/logging.h"
@@ skipping 297 matching lines @@
 
 bool ChromeResourceDispatcherHostDelegate::ShouldForceDownloadResource(
     const GURL& url, const std::string& mime_type) {
   // Special-case user scripts to get downloaded instead of viewed.
   return UserScript::IsURLUserScript(url, mime_type);
 }
 
 void ChromeResourceDispatcherHostDelegate::OnResponseStarted(
     net::URLRequest* request,
     content::ResourceResponse* response,
-    IPC::Message::Sender* sender) {
+    IPC::Sender* sender) {
   LoadTimingObserver::PopulateTimingInfo(request, response);
 
   const ResourceRequestInfo* info = ResourceRequestInfo::ForRequest(request);
 
   if (request->url().SchemeIsSecure()) {
     const net::URLRequestContext* context = request->context();
     net::TransportSecurityState* state = context->transport_security_state();
     if (state) {
       net::TransportSecurityState::DomainState domain_state;
       bool has_sni = net::SSLConfigService::IsSNIAvailable(
@@ skipping 81 matching lines @@
   if (base::Base64Encode(serialized, &hashed)) {
     // If successful, swap the header value with the new one.
     // Note that the list of IDs and the header could be temporarily out of sync
     // if IDs are added as we are recreating the header, but we're OK with those
     // descrepancies.
     variation_ids_header_ = hashed;
   } else {
     DVLOG(1) << "Failed to base64 encode Variation IDs value: " << serialized;
   }
 }