Remove lots of old blur plumbing.

content/common/view_messages.h

 // Copyright (c) 2012 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/memory/shared_memory.h"
 #include "base/process/process.h"
 #include "base/strings/string16.h"
@@ skipping 1062 matching lines @@
 // finished.
 IPC_MESSAGE_ROUTED1(ViewHostMsg_DocumentAvailableInMainFrame,
                     bool /* uses_temporary_zoom_level */)
 
 // Sent to update part of the view.  In response to this message, the host
 // generates a ViewMsg_UpdateRect_ACK message.
 IPC_MESSAGE_ROUTED1(ViewHostMsg_UpdateRect,
                     ViewHostMsg_UpdateRect_Params)
 
 IPC_MESSAGE_ROUTED0(ViewHostMsg_Focus)
-IPC_MESSAGE_ROUTED0(ViewHostMsg_Blur)
 
 // Message sent from renderer to the browser when focus changes inside the
 // webpage. The first parameter says whether the newly focused element needs
 // keyboard input (true for textfields, text areas and content editable divs).
 // The second parameter is the node bounds relative to RenderWidgetHostView.
 IPC_MESSAGE_ROUTED2(ViewHostMsg_FocusedNodeChanged,
                     bool /* is_editable_node */,
                     gfx::Rect /* node_bounds */)
 
 IPC_MESSAGE_ROUTED1(ViewHostMsg_SetCursor, content::WebCursor)
@@ skipping 287 matching lines @@
 // Instructs the browser to start plugin IME.
 IPC_MESSAGE_ROUTED0(ViewHostMsg_StartPluginIme)
 
 // Receives content of a web page as plain text.
 IPC_MESSAGE_ROUTED1(ViewMsg_GetRenderedTextCompleted, std::string);
 #endif
 
 // Adding a new message? Stick to the sort order above: first platform
 // independent ViewMsg, then ifdefs for platform specific ViewMsg, then platform
 // independent ViewHostMsg, then ifdefs for platform specific ViewHostMsg.