Revert 152873 - Remove all the indexeddb-related utility process code

content/common/utility_messages.h

Index: content/common/utility_messages.h
===================================================================
--- content/common/utility_messages.h	(revision 152976)
+++ content/common/utility_messages.h	(working copy)
@@ -9,6 +9,9 @@
 
 #include "base/basictypes.h"
 #include "content/common/content_export.h"
+#include "content/common/indexed_db/indexed_db_key.h"
+#include "content/common/indexed_db/indexed_db_key_path.h"
+#include "content/common/indexed_db/indexed_db_param_traits.h"
 #include "content/public/common/common_param_traits.h"
 #include "content/public/common/serialized_script_value.h"
 #include "ipc/ipc_message_macros.h"
@@ -22,6 +25,18 @@
 // Utility process messages:
 // These are messages from the browser to the utility process.
 
+// Tell the utility process to extract the given IDBKeyPath from the
+// SerializedScriptValue vector and reply with the corresponding IDBKeys.
+IPC_MESSAGE_CONTROL3(UtilityMsg_IDBKeysFromValuesAndKeyPath,
+                     int,     // id
+                     std::vector<content::SerializedScriptValue>,
+                     content::IndexedDBKeyPath)
+
+IPC_MESSAGE_CONTROL3(UtilityMsg_InjectIDBKey,
+                     content::IndexedDBKey /* key */,
+                     content::SerializedScriptValue /* value */,
+                     content::IndexedDBKeyPath)
+
 // Tells the utility process that it's running in batch mode.
 IPC_MESSAGE_CONTROL0(UtilityMsg_BatchMode_Started)
 
@@ -39,6 +54,17 @@
 // Utility process host messages:
 // These are messages from the utility process to the browser.
 
+// Reply when the utility process has succeeded in obtaining the value for
+// IDBKeyPath.
+IPC_MESSAGE_CONTROL2(UtilityHostMsg_IDBKeysFromValuesAndKeyPath_Succeeded,
+                     int /* id */,
+                     std::vector<content::IndexedDBKey> /* value */)
+
+// Reply when the utility process has finished injecting an IDBKey into
+// a SerializedScriptValue.
+IPC_MESSAGE_CONTROL1(UtilityHostMsg_InjectIDBKey_Finished,
+                     content::SerializedScriptValue /* new value */)
+
 #if defined(OS_POSIX)
 // Notifies the browser when a plugin failed to load so the two processes can
 // keep the canonical list in sync.