Fix for WebView accessible resources.

extensions/common/extension_messages.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // IPC messages for extensions.
 // Multiply-included message file, hence no include guard.
 
 #include <string>
 #include <vector>
 
@@ skipping 369 matching lines @@
 IPC_STRUCT_TRAITS_MEMBER(value)
 IPC_STRUCT_TRAITS_END()
 
 // Parameters structure for ExtensionMsg_UpdatePermissions.
 IPC_STRUCT_BEGIN(ExtensionMsg_UpdatePermissions_Params)
   IPC_STRUCT_MEMBER(std::string, extension_id)
   IPC_STRUCT_MEMBER(ExtensionMsg_PermissionSetStruct, active_permissions)
   IPC_STRUCT_MEMBER(ExtensionMsg_PermissionSetStruct, withheld_permissions)
 IPC_STRUCT_END()
 
-// Messages sent from the browser to the renderer.
+// Messages sent from the browser to the renderer:
 
 // The browser sends this message in response to all extension api calls. The
 // response data (if any) is one of the base::Value subclasses, wrapped as the
 // first element in a ListValue.
 IPC_MESSAGE_ROUTED4(ExtensionMsg_Response,
                     int /* request_id */,
                     bool /* success */,
                     base::ListValue /* response wrapper (see comment above) */,
                     std::string /* error */)
 
@@ skipping 166 matching lines @@
                      std::vector<std::string> /* CSS selectors */)
 
 // Send by the browser to indicate a Blob handle has been transferred to the
 // renderer. This is sent after the actual extension response, and depends on
 // the sequential nature of IPCs so that the blob has already been caught.
 // This is a separate control message, so that the renderer process will send
 // an acknowledgement even if the RenderView has closed or navigated away.
 IPC_MESSAGE_CONTROL1(ExtensionMsg_TransferBlobs,
                      std::vector<std::string> /* blob_uuids */)
 
-// Messages sent from the renderer to the browser.
+// Report the WebView partition ID to the WebView guest renderer process.
+IPC_MESSAGE_CONTROL1(ExtensionMsg_SetWebViewPartitionID,
+                     std::string /* webview_partition_id */)
+
+// Messages sent from the renderer to the browser:
 
 // A renderer sends this message when an extension process starts an API
 // request. The browser will always respond with a ExtensionMsg_Response.
 IPC_MESSAGE_ROUTED1(ExtensionHostMsg_Request,
                     ExtensionHostMsg_Request_Params)
 
 // A renderer sends this message when an extension process starts an API
 // request. The browser will always respond with a ExtensionMsg_Response.
 IPC_MESSAGE_CONTROL2(ExtensionHostMsg_RequestForIOThread,
                      int /* routing_id */,
@@ skipping 208 matching lines @@
                     int /* acc_obj_id */,
                     base::string16 /* selector */)
 
 // Result of a query selector request.
 // result_acc_obj_id is the accessibility tree ID of the result element; 0
 // indicates no result.
 IPC_MESSAGE_ROUTED3(ExtensionHostMsg_AutomationQuerySelector_Result,
                     int /* request_id */,
                     ExtensionHostMsg_AutomationQuerySelector_Error /* error */,
                     int /* result_acc_obj_id */)