Define two new IPC messages to initialize an appcache for a shared worker or a dedicated worker. There is no callsite for sending these messages yet, and there are no handlers for them either.

BUG=39368
TEST=nothing to test yet

Review URL: http://codereview.chromium.org/2037013

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@47165 0039d316-1c4b-4281-b951-d872f2087c98

5 files changed, 51 insertions, 2 deletions

diff --git a/chrome/common/appcache/appcache_backend_proxy.cc b/chrome/common/appcache/appcache_backend_proxy.cc
index 25c77f7..e1776db 100644
--- a/chrome/common/appcache/appcache_backend_proxy.cc
+++ b/chrome/common/appcache/appcache_backend_proxy.cc
@@ -25,6 +25,19 @@ void AppCacheBackendProxy::SelectCache(
                                     manifest_url));
 }
 
+void AppCacheBackendProxy::SelectCacheForWorker(
+    int host_id, int parent_process_id, int parent_host_id) {
+  sender_->Send(new AppCacheMsg_SelectCacheForWorker(
+                                    host_id, parent_process_id,
+                                    parent_host_id));
+}
+
+void AppCacheBackendProxy::SelectCacheForSharedWorker(
+    int host_id, int64 appcache_id) {
+  sender_->Send(new AppCacheMsg_SelectCacheForSharedWorker(
+                                    host_id, appcache_id));
+}
+
 void AppCacheBackendProxy::MarkAsForeignEntry(
     int host_id, const GURL& document_url,
     int64 cache_document_was_loaded_from) {
diff --git a/chrome/common/appcache/appcache_backend_proxy.h b/chrome/common/appcache/appcache_backend_proxy.h
index 5098336..2ef2660 100644
--- a/chrome/common/appcache/appcache_backend_proxy.h
+++ b/chrome/common/appcache/appcache_backend_proxy.h
@@ -23,6 +23,13 @@ class AppCacheBackendProxy : public appcache::AppCacheBackend {
                            const GURL& document_url,
                            const int64 cache_document_was_loaded_from,
                            const GURL& manifest_url);
+  virtual void SelectCacheForWorker(
+                           int host_id,
+                           int parent_process_id,
+                           int parent_host_id);
+  virtual void SelectCacheForSharedWorker(
+                           int host_id,
+                           int64 appcache_id);
   virtual void MarkAsForeignEntry(int host_id, const GURL& document_url,
                                   int64 cache_document_was_loaded_from);
   virtual appcache::Status GetStatus(int host_id);
diff --git a/chrome/common/render_messages_internal.h b/chrome/common/render_messages_internal.h
index 2bd9864..109c8b7 100644
--- a/chrome/common/render_messages_internal.h
+++ b/chrome/common/render_messages_internal.h
@@ -1785,6 +1785,15 @@ IPC_BEGIN_MESSAGES(ViewHost)
                        int64 /* appcache_document_was_loaded_from */,
                        GURL  /* opt_manifest_url */)
 
+  // Initiates worker specific cache selection algorithm for the given host.
+  IPC_MESSAGE_CONTROL3(AppCacheMsg_SelectCacheForWorker,
+                       int /* host_id */,
+                       int /* parent_process_id */,
+                       int /* parent_host_id */)
+  IPC_MESSAGE_CONTROL2(AppCacheMsg_SelectCacheForSharedWorker,
+                       int /* host_id */,
+                       int64 /* appcache_id */)
+
   // Informs the browser of a 'foreign' entry in an appcache.
   IPC_MESSAGE_CONTROL3(AppCacheMsg_MarkAsForeignEntry,
                        int /* host_id */,
diff --git a/webkit/appcache/appcache_interfaces.h b/webkit/appcache/appcache_interfaces.h
index 9736789..84132e3 100644
--- a/webkit/appcache/appcache_interfaces.h
+++ b/webkit/appcache/appcache_interfaces.h
@@ -44,7 +44,7 @@ enum EventID {
   OBSOLETE_EVENT
 };
 
-// Interface used by backend to talk to frontend.
+// Interface used by backend (browser-process) to talk to frontend (renderer).
 class AppCacheFrontend {
  public:
   virtual void OnCacheSelected(int host_id, int64 cache_id ,
@@ -58,7 +58,7 @@ class AppCacheFrontend {
   virtual ~AppCacheFrontend() {}
 };
 
-// Interface used by frontend to talk to backend.
+// Interface used by frontend (renderer) to talk to backend (browser-process).
 class AppCacheBackend {
  public:
   virtual void RegisterHost(int host_id) = 0;
@@ -67,6 +67,13 @@ class AppCacheBackend {
                            const GURL& document_url,
                            const int64 cache_document_was_loaded_from,
                            const GURL& manifest_url) = 0;
+  virtual void SelectCacheForWorker(
+                           int host_id,
+                           int parent_process_id,
+                           int parent_host_id) = 0;
+  virtual void SelectCacheForSharedWorker(
+                           int host_id,
+                           int64 appcache_id) = 0;
   virtual void MarkAsForeignEntry(int host_id, const GURL& document_url,
                                   int64 cache_document_was_loaded_from) = 0;
   virtual Status GetStatus(int host_id) = 0;
diff --git a/webkit/tools/test_shell/simple_appcache_system.cc b/webkit/tools/test_shell/simple_appcache_system.cc
index e1f6e38..79bc557 100644
--- a/webkit/tools/test_shell/simple_appcache_system.cc
+++ b/webkit/tools/test_shell/simple_appcache_system.cc
@@ -166,6 +166,19 @@ class SimpleBackendProxy
     }
   }
 
+  virtual void SelectCacheForWorker(
+                           int host_id,
+                           int parent_process_id,
+                           int parent_host_id) {
+    NOTREACHED();  // Workers are not supported in test_shell.
+  }
+
+  virtual void SelectCacheForSharedWorker(
+                           int host_id,
+                           int64 appcache_id) {
+    NOTREACHED();  // Workers are not supported in test_shell.
+  }
+
   virtual void MarkAsForeignEntry(int host_id, const GURL& document_url,
                                   int64 cache_document_was_loaded_from) {
     if (system_->is_ui_thread()) {