Use Associated interfaces for mojo-loading

content/child/web_url_loader_impl.cc

 // 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 "content/child/web_url_loader_impl.h"
 
 #include <stdint.h>
 
 #include <algorithm>
 #include <memory>
@@ skipping 20 matching lines @@
 #include "content/child/web_url_request_util.h"
 #include "content/child/weburlresponse_extradata_impl.h"
 #include "content/common/resource_messages.h"
 #include "content/common/resource_request.h"
 #include "content/common/resource_request_body_impl.h"
 #include "content/common/service_worker/service_worker_types.h"
 #include "content/common/url_loader.mojom.h"
 #include "content/public/child/fixed_received_data.h"
 #include "content/public/child/request_peer.h"
 #include "content/public/common/browser_side_navigation_policy.h"
+#include "mojo/public/cpp/bindings/associated_group.h"
 #include "net/base/data_url.h"
 #include "net/base/filename_util.h"
 #include "net/base/net_errors.h"
 #include "net/cert/cert_status_flags.h"
 #include "net/cert/ct_sct_to_string.h"
 #include "net/cert/x509_util.h"
 #include "net/http/http_response_headers.h"
 #include "net/http/http_util.h"
 #include "net/ssl/ssl_cipher_suite_names.h"
 #include "net/ssl/ssl_connection_status_flags.h"
@@ skipping 304 matching lines @@
 
 // This inner class exists since the WebURLLoader may be deleted while inside a
 // call to WebURLLoaderClient.  Refcounting is to keep the context from being
 // deleted if it may have work to do after calling into the client.
 class WebURLLoaderImpl::Context : public base::RefCounted<Context> {
  public:
   using ReceivedData = RequestPeer::ReceivedData;
 
   Context(WebURLLoaderImpl* loader,
           ResourceDispatcher* resource_dispatcher,
-          mojom::URLLoaderFactory* factory);
+          mojom::URLLoaderFactory* factory,
+          mojo::AssociatedGroup* associated_group);
 
   WebURLLoaderClient* client() const { return client_; }
   void set_client(WebURLLoaderClient* client) { client_ = client; }
 
   void Cancel();
   void SetDefersLoading(bool value);
   void DidChangePriority(WebURLRequest::Priority new_priority,
                          int intra_priority_value);
   void Start(const WebURLRequest& request,
              SyncLoadResponse* sync_load_response);
@@ skipping 28 matching lines @@
   WebURLLoaderClient* client_;
   ResourceDispatcher* resource_dispatcher_;
   scoped_refptr<base::SingleThreadTaskRunner> task_runner_;
   std::unique_ptr<FtpDirectoryListingResponseDelegate> ftp_listing_delegate_;
   std::unique_ptr<StreamOverrideParameters> stream_override_;
   std::unique_ptr<SharedMemoryDataConsumerHandle::Writer> body_stream_writer_;
   enum DeferState {NOT_DEFERRING, SHOULD_DEFER, DEFERRED_DATA};
   DeferState defers_loading_;
   int request_id_;
 
+  // These are owned by the Blink::Platform singleton.
   mojom::URLLoaderFactory* url_loader_factory_;
+  mojo::AssociatedGroup* associated_group_;
 };
 
 // A thin wrapper class for Context to ensure its lifetime while it is
 // handling IPC messages coming from ResourceDispatcher. Owns one ref to
 // Context and held by ResourceDispatcher.
 class WebURLLoaderImpl::RequestPeerImpl : public RequestPeer {
  public:
   explicit RequestPeerImpl(Context* context);
 
   // RequestPeer methods:
@@ skipping 12 matching lines @@
 
  private:
   scoped_refptr<Context> context_;
   DISALLOW_COPY_AND_ASSIGN(RequestPeerImpl);
 };
 
 // WebURLLoaderImpl::Context --------------------------------------------------
 
 WebURLLoaderImpl::Context::Context(WebURLLoaderImpl* loader,
                                    ResourceDispatcher* resource_dispatcher,
-                                   mojom::URLLoaderFactory* url_loader_factory)
+                                   mojom::URLLoaderFactory* url_loader_factory,
+                                   mojo::AssociatedGroup* associated_group)
     : loader_(loader),
       client_(NULL),
       resource_dispatcher_(resource_dispatcher),
       task_runner_(base::ThreadTaskRunnerHandle::Get()),
       defers_loading_(NOT_DEFERRING),
       request_id_(-1),
-      url_loader_factory_(url_loader_factory) {}
+      url_loader_factory_(url_loader_factory),
+      associated_group_(associated_group) {}
 
 void WebURLLoaderImpl::Context::Cancel() {
   TRACE_EVENT_WITH_FLOW0("loading", "WebURLLoaderImpl::Context::Cancel", this,
                          TRACE_EVENT_FLAG_FLOW_IN);
   if (resource_dispatcher_ && // NULL in unittest.
       request_id_ != -1) {
     resource_dispatcher_->Cancel(request_id_);
     request_id_ = -1;
   }
 
@@ skipping 150 matching lines @@
         request.getLoadingIPCType(), url_loader_factory_);
     return;
   }
 
   TRACE_EVENT_WITH_FLOW0("loading", "WebURLLoaderImpl::Context::Start", this,
                          TRACE_EVENT_FLAG_FLOW_OUT);
   request_id_ = resource_dispatcher_->StartAsync(
       std::move(resource_request), request.requestorID(), task_runner_,
       extra_data->frame_origin(),
       base::MakeUnique<WebURLLoaderImpl::RequestPeerImpl>(this),
-      request.getLoadingIPCType(), url_loader_factory_);
+      request.getLoadingIPCType(), url_loader_factory_, associated_group_);
 
   if (defers_loading_ != NOT_DEFERRING)
     resource_dispatcher_->SetDefersLoading(request_id_, true);
 }
 
 void WebURLLoaderImpl::Context::SetTaskRunner(
     const scoped_refptr<base::SingleThreadTaskRunner>& task_runner) {
   task_runner_ = task_runner;
 }
 
@@ skipping 364 matching lines @@
     const base::TimeTicks& completion_time,
     int64_t total_transfer_size) {
   context_->OnCompletedRequest(error_code, was_ignored_by_handler,
                                stale_copy_in_cache, completion_time,
                                total_transfer_size);
 }
 
 // WebURLLoaderImpl -----------------------------------------------------------
 
 WebURLLoaderImpl::WebURLLoaderImpl(ResourceDispatcher* resource_dispatcher,
-                                   mojom::URLLoaderFactory* url_loader_factory)
-    : context_(new Context(this, resource_dispatcher, url_loader_factory)) {}
+                                   mojom::URLLoaderFactory* url_loader_factory,
+                                   mojo::AssociatedGroup* associated_group)
+    : context_(new Context(this,
+                           resource_dispatcher,
+                           url_loader_factory,
+                           associated_group)) {}
 
 WebURLLoaderImpl::~WebURLLoaderImpl() {
   cancel();
 }
 
 void WebURLLoaderImpl::PopulateURLResponse(const GURL& url,
                                            const ResourceResponseInfo& info,
                                            WebURLResponse* response,
                                            bool report_security_info) {
   response->setURL(url);
@@ skipping 217 matching lines @@
                                          int intra_priority_value) {
   context_->DidChangePriority(new_priority, intra_priority_value);
 }
 
 void WebURLLoaderImpl::setLoadingTaskRunner(
     base::SingleThreadTaskRunner* loading_task_runner) {
   context_->SetTaskRunner(loading_task_runner);
 }
 
 }  // namespace content