IndexedDB: chromium side of IDBCursor.advance().

content/common/indexed_db/indexed_db_messages.h

Index: content/common/indexed_db/indexed_db_messages.h
diff --git a/content/common/indexed_db/indexed_db_messages.h b/content/common/indexed_db/indexed_db_messages.h
index ef12c4abc56b804b3e8309218fd8bf77a6f74839..d8ac3bda1c336120926f5c77759889bba084f6bf 100644
--- a/content/common/indexed_db/indexed_db_messages.h
+++ b/content/common/indexed_db/indexed_db_messages.h
@@ -169,6 +169,15 @@ IPC_STRUCT_BEGIN(IndexedDBMsg_CallbacksSuccessIDBCursor_Params)
   IPC_STRUCT_MEMBER(content::SerializedScriptValue, serialized_value)
 IPC_STRUCT_END()
 
+IPC_STRUCT_BEGIN(IndexedDBMsg_CallbacksSuccessCursorAdvance_Params)

[jsbell, 2012/04/24 15:41:08]

It looks like the params are identical between
CallbackSuccess{IDBCursor|CursorAdvance|CursorContinue} - while I would keep
them separate for consistency for this patch, is there any reason they couldn't
be merged in the future?

[alecflett, 2012/04/24 16:34:22]

Its very possible - this was one of the areas that confused me a bit - exactly
how these IPC messages are filled in...

+  IPC_STRUCT_MEMBER(int32, thread_id)
+  IPC_STRUCT_MEMBER(int32, response_id)
+  IPC_STRUCT_MEMBER(int32, cursor_id)
+  IPC_STRUCT_MEMBER(IndexedDBKey, key)
+  IPC_STRUCT_MEMBER(IndexedDBKey, primary_key)
+  IPC_STRUCT_MEMBER(content::SerializedScriptValue, serialized_value)
+IPC_STRUCT_END()
+
 IPC_STRUCT_BEGIN(IndexedDBMsg_CallbacksSuccessCursorContinue_Params)
   IPC_STRUCT_MEMBER(int32, thread_id)
   IPC_STRUCT_MEMBER(int32, response_id)
@@ -217,6 +226,9 @@ IPC_STRUCT_END()
 IPC_MESSAGE_CONTROL1(IndexedDBMsg_CallbacksSuccessIDBCursor,
                      IndexedDBMsg_CallbacksSuccessIDBCursor_Params)
 
+IPC_MESSAGE_CONTROL1(IndexedDBMsg_CallbacksSuccessCursorAdvance,
+                     IndexedDBMsg_CallbacksSuccessCursorAdvance_Params)
+
 IPC_MESSAGE_CONTROL1(IndexedDBMsg_CallbacksSuccessCursorContinue,
                      IndexedDBMsg_CallbacksSuccessCursorContinue_Params)
 
@@ -280,6 +292,14 @@ IPC_SYNC_MESSAGE_CONTROL4_1(IndexedDBHostMsg_CursorUpdate,
                      content::SerializedScriptValue, /* value */
                      WebKit::WebExceptionCode /* ec */)
 
+// WebIDBCursor::advance() message.
+IPC_SYNC_MESSAGE_CONTROL4_1(IndexedDBHostMsg_CursorAdvance,
+                     int32, /* idb_cursor_id */
+                     int32, /* thread_id */
+                     int32, /* response_id */
+                     unsigned long, /* count */
+                     WebKit::WebExceptionCode /* ec */)
+
 // WebIDBCursor::continue() message.
 IPC_SYNC_MESSAGE_CONTROL4_1(IndexedDBHostMsg_CursorContinue,
                      int32, /* idb_cursor_id */