Chromium side of IDBIndex.count() and IDBObjectStore.count()

content/common/indexed_db_messages.h

Index: content/common/indexed_db_messages.h
diff --git a/content/common/indexed_db_messages.h b/content/common/indexed_db_messages.h
index 2a4cf2d844e2c6673e7f9ea924a088a7fc49cc95..82c4b29accad060271e19716097c042612fde90d 100644
--- a/content/common/indexed_db_messages.h
+++ b/content/common/indexed_db_messages.h
@@ -86,6 +86,25 @@ IPC_STRUCT_BEGIN(IndexedDBHostMsg_IndexOpenCursor_Params)
   IPC_STRUCT_MEMBER(int, transaction_id)
 IPC_STRUCT_END()
 
+// Used for counting values within an index IndexedDB.
+IPC_STRUCT_BEGIN(IndexedDBHostMsg_IndexCount_Params)
+  // The response should have these ids.
+  IPC_STRUCT_MEMBER(int32, thread_id)
+  IPC_STRUCT_MEMBER(int32, response_id)
+  // The serialized lower key.
+  IPC_STRUCT_MEMBER(IndexedDBKey, lower_key)
+  // The serialized upper key.
+  IPC_STRUCT_MEMBER(IndexedDBKey, upper_key)
+  // Is the lower bound open?
+  IPC_STRUCT_MEMBER(bool, lower_open)
+  // Is the upper bound open?
+  IPC_STRUCT_MEMBER(bool, upper_open)
+  // The index the index belongs to.
+  IPC_STRUCT_MEMBER(int32, idb_index_id)
+  // The transaction this request belongs to.
+  IPC_STRUCT_MEMBER(int, transaction_id)
+IPC_STRUCT_END()
+
 // Used to set a value in an object store.
 IPC_STRUCT_BEGIN(IndexedDBHostMsg_ObjectStorePut_Params)
   // The object store's id.
@@ -168,6 +187,25 @@ IPC_STRUCT_BEGIN(IndexedDBMsg_CallbacksSuccessCursorPrefetch_Params)
 IPC_STRUCT_END()
 
 
+// Used to count within an IndexedDB object store.
+IPC_STRUCT_BEGIN(IndexedDBHostMsg_ObjectStoreCount_Params)
+  // The response should have these ids.
+  IPC_STRUCT_MEMBER(int32, thread_id)
+  IPC_STRUCT_MEMBER(int32, response_id)
+  // The serialized lower key.
+  IPC_STRUCT_MEMBER(IndexedDBKey, lower_key)
+  // The serialized upper key.
+  IPC_STRUCT_MEMBER(IndexedDBKey, upper_key)
+  // Is the lower bound open?
+  IPC_STRUCT_MEMBER(bool, lower_open)
+  // Is the upper bound open?
+  IPC_STRUCT_MEMBER(bool, upper_open)
+  // The object store the cursor belongs to.
+  IPC_STRUCT_MEMBER(int32, idb_object_store_id)
+  // The transaction this request belongs to.
+  IPC_STRUCT_MEMBER(int, transaction_id)
+IPC_STRUCT_END()
+
 // Indexed DB messages sent from the browser to the renderer.
 
 // The thread_id needs to be the first parameter in these messages.  In the IO
@@ -375,6 +413,11 @@ IPC_SYNC_MESSAGE_CONTROL1_1(IndexedDBHostMsg_IndexOpenKeyCursor,
                             IndexedDBHostMsg_IndexOpenCursor_Params,
                             WebKit::WebExceptionCode /* ec */)
 
+// WebIDBIndex::count() message.
+IPC_SYNC_MESSAGE_CONTROL1_1(IndexedDBHostMsg_IndexCount,
+                            IndexedDBHostMsg_IndexCount_Params,
+                            WebKit::WebExceptionCode /* ec */)
+
 // WebIDBIndex::getObject() message.
 IPC_SYNC_MESSAGE_CONTROL5_1(IndexedDBHostMsg_IndexGetObject,
                             int32, /* idb_index_id */
@@ -468,6 +511,11 @@ IPC_SYNC_MESSAGE_CONTROL1_1(IndexedDBHostMsg_ObjectStoreOpenCursor,
                             IndexedDBHostMsg_ObjectStoreOpenCursor_Params,
                             WebKit::WebExceptionCode /* ec */)
 
+// WebIDBObjectStore::count() message.
+IPC_SYNC_MESSAGE_CONTROL1_1(IndexedDBHostMsg_ObjectStoreCount,
+                            IndexedDBHostMsg_ObjectStoreCount_Params,
+                            WebKit::WebExceptionCode /* ec */)
+
 // WebIDBObjectStore::~WebIDBObjectStore() message.
 IPC_MESSAGE_CONTROL1(IndexedDBHostMsg_ObjectStoreDestroyed,
                      int32 /* idb_object_store_id */)