Convert a bunch of resource IPCs to be control messages. They didn't need to be routed.

content/browser/loader/resource_dispatcher_host_impl.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.
 
 // See http://dev.chromium.org/developers/design-documents/multi-process-resource-loading
 
 #include "content/browser/loader/resource_dispatcher_host_impl.h"
 
 #include <set>
 #include <vector>
@@ skipping 120 matching lines @@
 // are all positive (since histograms expect positive sample values).
 const int kAllNetErrorCodes[] = {
 #define NET_ERROR(label, value) -(value),
 #include "net/base/net_error_list.h"
 #undef NET_ERROR
 };
 
 // Aborts a request before an URLRequest has actually been created.
 void AbortRequestBeforeItStarts(ResourceMessageFilter* filter,
                                 IPC::Message* sync_result,
-                                int route_id,
                                 int request_id) {
   if (sync_result) {
     SyncLoadResult result;
     result.error_code = net::ERR_ABORTED;
     ResourceHostMsg_SyncLoad::WriteReplyParams(sync_result, result);
     filter->Send(sync_result);
   } else {
     // Tell the renderer that this request was disallowed.
     filter->Send(new ResourceMsg_RequestComplete(
-        route_id,
         request_id,
         net::ERR_ABORTED,
         false,
         std::string(),   // No security info needed, connection not established.
         base::TimeTicks()));
   }
 }
 
 void SetReferrerForRequest(net::URLRequest* request, const Referrer& referrer) {
   if (!referrer.url.is_valid() ||
@@ skipping 760 matching lines @@
     }
   }
 
   ResourceContext* resource_context = filter_->resource_context();
   // http://crbug.com/90971
   CHECK(ContainsKey(active_resource_contexts_, resource_context));
 
   if (is_shutdown_ ||
       !ShouldServiceRequest(process_type, child_id, request_data,
                             filter_->file_system_context())) {
-    AbortRequestBeforeItStarts(filter_, sync_result, route_id, request_id);
+    AbortRequestBeforeItStarts(filter_, sync_result, request_id);
     return;
   }
 
   const Referrer referrer(request_data.referrer, request_data.referrer_policy);
 
   // Allow the observer to block/handle the request.
   if (delegate_ && !delegate_->ShouldBeginRequest(child_id,
                                                   route_id,
                                                   request_data.method,
                                                   request_data.url,
                                                   request_data.resource_type,
                                                   resource_context)) {
-    AbortRequestBeforeItStarts(filter_, sync_result, route_id, request_id);
+    AbortRequestBeforeItStarts(filter_, sync_result, request_id);
     return;
   }
 
   bool is_sync_load = sync_result != NULL;
   int load_flags =
       BuildLoadFlagsForRequest(request_data, child_id, is_sync_load);
 
   GlobalRoutingID id(child_id, route_id);
   if (!offline_policy_map_[id])
     offline_policy_map_[id] = new OfflinePolicy();
@@ skipping 78 matching lines @@
   appcache::AppCacheInterceptor::SetExtraRequestInfo(
       request, filter_->appcache_service(), child_id,
       request_data.appcache_host_id, request_data.resource_type);
 
   // Construct the IPC resource handler.
   scoped_ptr<ResourceHandler> handler;
   if (sync_result) {
     handler.reset(new SyncResourceHandler(
         filter_, request, sync_result, this));
   } else {
-    handler.reset(new AsyncResourceHandler(
-        filter_, route_id, request, this));
+    handler.reset(new AsyncResourceHandler(filter_, request, this));
   }
 
   // The RedirectToFileResourceHandler depends on being next in the chain.
   if (request_data.download_to_file) {
     handler.reset(
         new RedirectToFileResourceHandler(handler.Pass(), child_id, this));
   }
 
   // Install a CrossSiteResourceHandler if this request is coming from a
   // RenderViewHost with a pending cross-site request.  We only check this for
@@ skipping 823 matching lines @@
   if ((load_flags & net::LOAD_REPORT_RAW_HEADERS)
       && !policy->CanReadRawCookies(child_id)) {
     VLOG(1) << "Denied unauthorized request for raw headers";
     load_flags &= ~net::LOAD_REPORT_RAW_HEADERS;
   }
 
   return load_flags;
 }
 
 }  // namespace content