content: use string16 in ViewHostMsg_AddMessageToConsole

content/common/view_messages.h

 // Copyright (c) 2011 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 page rendering.
 // Multiply-included message file, hence no include guard.
 
 #include "base/process.h"
 #include "base/shared_memory.h"
 #include "content/common/common_param_traits.h"
@@ skipping 1740 matching lines @@
 IPC_MESSAGE_ROUTED1(ViewHostMsg_ImeCompositionRangeChanged,
                     ui::Range /* composition range */)
 
 // Required for cancelling an ongoing input method composition.
 IPC_MESSAGE_ROUTED0(ViewHostMsg_ImeCancelComposition)
 
 // WebKit and JavaScript error messages to log to the console
 // or debugger UI.
 IPC_MESSAGE_ROUTED4(ViewHostMsg_AddMessageToConsole,
                     int32, /* log level */
-                    std::wstring, /* msg */
+                    string16, /* msg */
                     int32, /* line number */
-                    std::wstring /* source id */)
+                    string16 /* source id */)
 
 // Sent by the renderer process to indicate that a plugin instance has
 // crashed.
 IPC_MESSAGE_ROUTED1(ViewHostMsg_CrashedPlugin,
                     FilePath /* plugin_path */)
 
 // Displays a box to confirm that the user wants to navigate away from the
 // page. Replies true if yes, false otherwise, the reply string is ignored,
 // but is included so that we can use OnJavaScriptMessageBoxClosed.
 IPC_SYNC_MESSAGE_ROUTED2_2(ViewHostMsg_RunBeforeUnloadConfirm,
@@ skipping 259 matching lines @@
                     int32 /* complete status */)
 
 // Request updated information about the client firewall traversal policy.
 // Will result in a ViewMsg_UpdateRemoteAccessClientFirewallTraversal message
 // being sent back.
 IPC_MESSAGE_ROUTED0(ViewHostMsg_RequestRemoteAccessClientFirewallTraversal)
 
 // Notifies the browser of an event occurring in the media pipeline.
 IPC_MESSAGE_CONTROL1(ViewHostMsg_MediaLogEvent,
                      media::MediaLogEvent /* event */)