Plumb the title direction up to the renderer host

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 146 matching lines @@
 IPC_ENUM_TRAITS(PageZoom::Function)
 IPC_ENUM_TRAITS(RendererPreferencesHintingEnum)
 IPC_ENUM_TRAITS(RendererPreferencesSubpixelRenderingEnum)
 IPC_ENUM_TRAITS(ViewHostMsg_AccessibilityNotification_Type::Value)
 IPC_ENUM_TRAITS(ViewHostMsg_RunFileChooser_Mode::Value)
 IPC_ENUM_TRAITS(ViewMsg_Navigate_Type::Value)
 IPC_ENUM_TRAITS(ViewMsg_StopFinding_Params::Action)
 IPC_ENUM_TRAITS(WebKit::WebContextMenuData::MediaType)
 IPC_ENUM_TRAITS(WebKit::WebMediaPlayerAction::Type)
 IPC_ENUM_TRAITS(WebKit::WebPopupType)
+IPC_ENUM_TRAITS(WebKit::WebTextDirection)
 IPC_ENUM_TRAITS(ui::TextInputType)
 IPC_ENUM_TRAITS(WebMenuItem::Type)
 IPC_ENUM_TRAITS(WindowContainerType)
 IPC_ENUM_TRAITS(webkit_glue::WebAccessibility::IntAttribute)
 IPC_ENUM_TRAITS(webkit_glue::WebAccessibility::Role)
 IPC_ENUM_TRAITS(webkit_glue::WebAccessibility::State)
 IPC_ENUM_TRAITS(webkit_glue::WebAccessibility::StringAttribute)
 
 IPC_STRUCT_TRAITS_BEGIN(ContextMenuParams)
   IPC_STRUCT_TRAITS_MEMBER(media_type)
@@ skipping 1185 matching lines @@
 // Notifies the browser that a document has been loaded in a frame.
 IPC_MESSAGE_ROUTED1(ViewHostMsg_DocumentLoadedInFrame,
                     int64 /* frame_id */)
 
 // Notifies the browser that a frame finished loading.
 IPC_MESSAGE_ROUTED1(ViewHostMsg_DidFinishLoad,
                     int64 /* frame_id */)
 
 // Changes the title for the page in the UI when the page is navigated or the
 // title changes.
-IPC_MESSAGE_ROUTED2(ViewHostMsg_UpdateTitle,
-                    int32,
-                    string16)
+IPC_MESSAGE_ROUTED3(ViewHostMsg_UpdateTitle,
+                    int32 /* page_id */,
+                    string16 /* title */,
+                    WebKit::WebTextDirection /* title direction */)
 
 // Changes the icon url for the page in the UI.
 IPC_MESSAGE_ROUTED2(ViewHostMsg_UpdateIconURL,
                     int32,
                     GURL)
 
 // Change the encoding name of the page in UI when the page has detected
 // proper encoding name.
 IPC_MESSAGE_ROUTED1(ViewHostMsg_UpdateEncoding,
                     std::string /* new encoding name */)
@@ skipping 632 matching lines @@
 IPC_MESSAGE_ROUTED3(ViewHostMsg_SendSerializedHtmlData,
                     GURL /* frame's url */,
                     std::string /* data buffer */,
                     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)