Introduce an AppCachePolicy interface that allows the containing browser to determine appcache permissions. The policy can allow or deny loading existing manifests or the creation of new manifests. The policy check for creating new manifests can be async to allow for a user prompt.

BUG=none
TEST=new unit tests added

Review URL: http://codereview.chromium.org/565042

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@39280 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 9 insertions, 0 deletions

diff --git a/webkit/appcache/appcache_update_job.h b/webkit/appcache/appcache_update_job.h
index 2580ff8..c50f202 100644
--- a/webkit/appcache/appcache_update_job.h
+++ b/webkit/appcache/appcache_update_job.h
@@ -14,6 +14,7 @@
 #include "base/ref_counted.h"
 #include "base/task.h"
 #include "googleurl/src/gurl.h"
+#include "net/base/completion_callback.h"
 #include "net/url_request/url_request.h"
 #include "testing/gtest/include/gtest/gtest_prod.h"
 #include "webkit/appcache/appcache.h"
@@ -99,6 +100,11 @@ class AppCacheUpdateJob : public URLRequest::Delegate,
   void OnCacheSelectionComplete(AppCacheHost* host) {}  // N/A
   void OnDestructionImminent(AppCacheHost* host);
 
+  void CheckPolicy();
+  void OnPolicyCheckComplete(int rv);
+
+  void HandleCacheFailure();
+
   void FetchManifest(bool is_first_fetch);
 
   // Add extra HTTP headers to the request based on the response info and
@@ -260,6 +266,9 @@ class AppCacheUpdateJob : public URLRequest::Delegate,
   net::CompletionCallbackImpl<AppCacheUpdateJob> manifest_data_write_callback_;
   net::CompletionCallbackImpl<AppCacheUpdateJob> manifest_data_read_callback_;
 
+  scoped_refptr<net::CancelableCompletionCallback<AppCacheUpdateJob> >
+      policy_callback_;
+
   FRIEND_TEST(AppCacheGroupTest, QueueUpdate);
   DISALLOW_COPY_AND_ASSIGN(AppCacheUpdateJob);
 };