Delete chrome_plugin_messages.h which is no longer used

chrome/common/chrome_plugin_messages.h

Index: chrome/common/chrome_plugin_messages.h
===================================================================
--- chrome/common/chrome_plugin_messages.h	(revision 127275)
+++ chrome/common/chrome_plugin_messages.h	(working copy)
@@ -1,41 +0,0 @@
-// 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.
-
-// Multiply-included file, no traditional include guard.
-
-#include <string>
-
-#include "base/basictypes.h"
-#include "build/build_config.h"
-
-#include "ipc/ipc_message_macros.h"
-#include "ui/gfx/native_widget_types.h"
-
-#define IPC_MESSAGE_START ChromePluginMsgStart
-
-//-----------------------------------------------------------------------------
-// ChromePluginHost messages
-// These are messages sent from the plugin process to the browser process.
-
-// Used to retrieve the plugin finder URL.
-IPC_SYNC_MESSAGE_CONTROL0_1(ChromePluginProcessHostMsg_GetPluginFinderUrl,
-                            std::string /* plugin finder URL */)
-
-// Used to display an infobar containing missing plugin information in the
-// chrome browser process.
-IPC_MESSAGE_CONTROL4(ChromePluginProcessHostMsg_MissingPluginStatus,
-                     int /* status */,
-                     int /* render_process_id */,
-                     int /* render_view_id */,
-                     gfx::NativeWindow /* The plugin window handle */)
-
-#if defined(OS_WIN)
-// Used to initiate a download on the plugin installer file from the URL
-// passed in.
-IPC_MESSAGE_CONTROL3(ChromePluginProcessHostMsg_DownloadUrl,
-                     std::string /* URL */,
-                     gfx::NativeWindow /* caller window */,
-                     int /* render_process_id */)
-
-#endif  // OS_WIN