PlzNavigate: AppCache support.

content/browser/appcache/appcache_service_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/browser/appcache/appcache_service_impl.h"
 
 #include <functional>
 #include <utility>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/location.h"
 #include "base/logging.h"
 #include "base/macros.h"
 #include "base/memory/ptr_util.h"
 #include "base/single_thread_task_runner.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "content/browser/appcache/appcache.h"
 #include "content/browser/appcache/appcache_backend_impl.h"
 #include "content/browser/appcache/appcache_entry.h"
 #include "content/browser/appcache/appcache_executable_handler.h"
 #include "content/browser/appcache/appcache_histograms.h"
 #include "content/browser/appcache/appcache_policy.h"
 #include "content/browser/appcache/appcache_quota_client.h"
 #include "content/browser/appcache/appcache_response.h"
 #include "content/browser/appcache/appcache_service_impl.h"
 #include "content/browser/appcache/appcache_storage_impl.h"
+#include "content/public/common/browser_side_navigation_policy.h"
 #include "net/base/completion_callback.h"
 #include "net/base/io_buffer.h"
 #include "storage/browser/quota/special_storage_policy.h"
 
 namespace content {
 
 namespace {
 
 void DeferredCallback(const net::CompletionCallback& callback, int rv) {
   callback.Run(rv);
@@ skipping 482 matching lines @@
   DCHECK(backends_.find(backend_impl->process_id()) == backends_.end());
   backends_.insert(
       BackendMap::value_type(backend_impl->process_id(), backend_impl));
 }
 
 void AppCacheServiceImpl::UnregisterBackend(
     AppCacheBackendImpl* backend_impl) {
   backends_.erase(backend_impl->process_id());
 }
 
+void AppCacheServiceImpl::RegisterBackendForFrame(
+    AppCacheBackendImpl* backend_impl) {
+  DCHECK(IsBrowserSideNavigationEnabled());
+  DCHECK(backends_for_frame_.find(backend_impl->frame_id()) ==
+         backends_for_frame_.end());
+
+  backends_for_frame_.insert(
+      BackendMap::value_type(backend_impl->frame_id(), backend_impl));
+}
+
+void AppCacheServiceImpl::UnregisterBackendForFrame(
+    AppCacheBackendImpl* backend_impl) {
+  DCHECK(IsBrowserSideNavigationEnabled());
+  backends_for_frame_.erase(backend_impl->frame_id());
+}
+
 }  // namespace content