Modify ResourceMessageFilter so that it can support attaching to PluginProcessHost.

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 59 matching lines @@
 #include "ipc/ipc_message_start.h"
 #include "net/base/auth.h"
 #include "net/base/load_flags.h"
 #include "net/base/mime_util.h"
 #include "net/base/net_errors.h"
 #include "net/base/registry_controlled_domains/registry_controlled_domain.h"
 #include "net/base/request_priority.h"
 #include "net/base/upload_data_stream.h"
 #include "net/cert/cert_status_flags.h"
 #include "net/cookies/cookie_monster.h"
-#include "net/http/http_cache.h"
 #include "net/http/http_response_headers.h"
 #include "net/http/http_response_info.h"
-#include "net/http/http_transaction_factory.h"
 #include "net/ssl/ssl_cert_request_info.h"
 #include "net/url_request/url_request.h"
 #include "net/url_request/url_request_context.h"
 #include "net/url_request/url_request_job_factory.h"
 #include "webkit/browser/appcache/appcache_interceptor.h"
 #include "webkit/common/blob/blob_data.h"
 #include "webkit/browser/blob/blob_data_handle.h"
 #include "webkit/browser/blob/blob_storage_context.h"
 #include "webkit/browser/blob/blob_url_request_job_factory.h"
 #include "webkit/browser/fileapi/file_permission_policy.h"
@@ skipping 734 matching lines @@
   filter_ = filter;
   bool handled = true;
   IPC_BEGIN_MESSAGE_MAP_EX(ResourceDispatcherHostImpl, message, *message_was_ok)
     IPC_MESSAGE_HANDLER(ResourceHostMsg_RequestResource, OnRequestResource)
     IPC_MESSAGE_HANDLER_DELAY_REPLY(ResourceHostMsg_SyncLoad, OnSyncLoad)
     IPC_MESSAGE_HANDLER(ResourceHostMsg_ReleaseDownloadedFile,
                         OnReleaseDownloadedFile)
     IPC_MESSAGE_HANDLER(ResourceHostMsg_DataDownloaded_ACK, OnDataDownloadedACK)
     IPC_MESSAGE_HANDLER(ResourceHostMsg_UploadProgress_ACK, OnUploadProgressACK)
     IPC_MESSAGE_HANDLER(ResourceHostMsg_CancelRequest, OnCancelRequest)
-    IPC_MESSAGE_HANDLER(ViewHostMsg_DidLoadResourceFromMemoryCache,
-                        OnDidLoadResourceFromMemoryCache)
     IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP_EX()
 
   if (!handled && IPC_MESSAGE_ID_CLASS(message.type()) == ResourceMsgStart) {
     PickleIterator iter(message);
     int request_id = -1;
     bool ok = iter.ReadInt(&request_id);
     DCHECK(ok);
     GlobalRequestID id(filter_->child_id(), request_id);
     DelegateMap::iterator it = delegate_map_.find(id);
     if (it != delegate_map_.end()) {
       ObserverList<ResourceMessageDelegate>::Iterator del_it(*it->second);
       ResourceMessageDelegate* delegate;
       while (!handled && (delegate = del_it.GetNext()) != NULL) {
         handled = delegate->OnMessageReceived(message, message_was_ok);
       }
     }
   }
 
-  if (message.type() == ViewHostMsg_DidLoadResourceFromMemoryCache::ID) {
-    // We just needed to peek at this message. We still want it to reach its
-    // normal destination.
-    handled = false;
-  }
-
   filter_ = NULL;
   return handled;
 }
 
 void ResourceDispatcherHostImpl::OnRequestResource(
     const IPC::Message& message,
     int request_id,
     const ResourceHostMsg_Request& request_data) {
   BeginRequest(request_id, request_data, NULL, message.routing_id());
 }
@@ skipping 50 matching lines @@
                                            *deferred_loader->GetRequestInfo());
         pending_loaders_.erase(it);
       } else {
         RecordAction(UserMetricsAction("BadMessageTerminate_RDH"));
         filter_->BadMessageReceived();
         return;
       }
     }
   }
 
-  ResourceContext* resource_context = filter_->resource_context();
+  ResourceContext* resource_context = NULL;
+  net::URLRequestContext* request_context = NULL;
+  filter_->GetContexts(request_data, &resource_context, &request_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, request_id);
     return;
   }
 
@@ skipping 23 matching lines @@
   // Construct the request.
   scoped_ptr<net::URLRequest> new_request;
   net::URLRequest* request;
   if (deferred_loader.get()) {
     request = deferred_loader->request();
 
     // Give the ResourceLoader (or any of the ResourceHandlers held by it) a
     // chance to reset some state before we complete the transfer.
     deferred_loader->WillCompleteTransfer();
   } else {
-    net::URLRequestContext* context =
-        filter_->GetURLRequestContext(request_data.resource_type);
-    new_request.reset(context->CreateRequest(request_data.url, NULL));
+    new_request.reset(request_context->CreateRequest(request_data.url, NULL));
     request = new_request.get();
 
     request->set_method(request_data.method);
     request->set_first_party_for_cookies(request_data.first_party_for_cookies);
     SetReferrerForRequest(request, referrer);
 
     net::HttpRequestHeaders headers;
     headers.AddHeadersFromString(request_data.headers);
     request->SetExtraRequestHeaders(headers);
   }
 
   // TODO(darin): Do we really need all of these URLRequest setters in the
   // transferred navigation case?
 
   request->set_load_flags(load_flags);
   request->SetPriority(request_data.priority);
 
   // Resolve elements from request_body and prepare upload data.
   if (request_data.request_body.get()) {
+    webkit_blob::BlobStorageContext* blob_context = NULL;
+    if (filter_->blob_storage_context())
+      blob_context = filter_->blob_storage_context()->context(),
     request->set_upload(UploadDataStreamBuilder::Build(
         request_data.request_body.get(),
-        filter_->blob_storage_context()->context(),
+        blob_context,
         filter_->file_system_context(),
         BrowserThread::GetMessageLoopProxyForThread(BrowserThread::FILE)
             .get()));
   }
 
   bool allow_download = request_data.allow_download &&
       ResourceType::IsFrame(request_data.resource_type);
 
   // Make extra info and read footer (contains request ID).
   ResourceRequestInfoImpl* extra_info =
@@ skipping 29 matching lines @@
 
   // Have the appcache associate its extra info with the request.
   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));
+        filter_, resource_context, request, sync_result, this));
   } else {
-    handler.reset(new AsyncResourceHandler(filter_, request, this));
+    handler.reset(new AsyncResourceHandler(
+        filter_, resource_context, 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 129 matching lines @@
       PAGE_TRANSITION_LINK,
       download,  // is_download
       false,  // is_stream
       download,  // allow_download
       false,     // has_user_gesture
       WebKit::WebReferrerPolicyDefault,
       context,
       true);     // is_async
 }
 
-
-void ResourceDispatcherHostImpl::OnDidLoadResourceFromMemoryCache(
-    const GURL& url,
-    const std::string& security_info,
-    const std::string& http_method,
-    const std::string& mime_type,
-    ResourceType::Type resource_type) {
-  if (!url.is_valid() || !url.SchemeIsHTTPOrHTTPS())
-    return;
-
-  filter_->GetURLRequestContext(resource_type)->http_transaction_factory()->
-      GetCache()->OnExternalCacheHit(url, http_method);
-}
-
 void ResourceDispatcherHostImpl::OnRenderViewHostCreated(
     int child_id,
     int route_id) {
   scheduler_->OnClientCreated(child_id, route_id);
 }
 
 void ResourceDispatcherHostImpl::OnRenderViewHostDeleted(
     int child_id,
     int route_id) {
   scheduler_->OnClientDeleted(child_id, route_id);
@@ skipping 660 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