Moved the following IPC messages used by the chrome NPAPI plugin installer out of content

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 1208 matching lines @@
 IPC_MESSAGE_ROUTED3(ViewMsg_PpapiBrokerChannelCreated,
                     int /* request_id */,
                     base::ProcessHandle /* broker_process_handle */,
                     IPC::ChannelHandle /* handle */)
 
 // Tells the renderer to empty its plugin list cache, optional reloading
 // pages containing plugins.
 IPC_MESSAGE_CONTROL1(ViewMsg_PurgePluginListCache,
                      bool /* reload_pages */)
 
-// Install the first missing pluign.
-IPC_MESSAGE_ROUTED0(ViewMsg_InstallMissingPlugin)
-
 // Sent to the renderer when a popup window should no longer count against
 // the current popup count (either because it's not a popup or because it was
 // a generated by a user action or because a constrained popup got turned
 // into a full window).
 IPC_MESSAGE_ROUTED0(ViewMsg_DisassociateFromPopupCount)
 
 // Asks the renderer to send back FPS.
 IPC_MESSAGE_ROUTED0(ViewMsg_GetFPS)
 
 // Used to instruct the RenderView to go into "view source" mode.
@@ skipping 776 matching lines @@
                      std::vector<char> /* data */)
 
 // Updates the content restrictions, i.e. to disable print/copy.
 IPC_MESSAGE_ROUTED1(ViewHostMsg_UpdateContentRestrictions,
                     int /* restrictions */)
 
 // Brings up SaveAs... dialog to save specified URL.
 IPC_MESSAGE_ROUTED1(ViewHostMsg_SaveURLAs,
                     GURL /* url */)
 
-// Notifies when default plugin updates status of the missing plugin.
-IPC_MESSAGE_ROUTED1(ViewHostMsg_MissingPluginStatus,
-                    int /* status */)
-
 // Displays a JavaScript out-of-memory message in the infobar.
 IPC_MESSAGE_ROUTED0(ViewHostMsg_JSOutOfMemory)
 
 // Register a new handler for URL requests with the given scheme.
 IPC_MESSAGE_ROUTED3(ViewHostMsg_RegisterProtocolHandler,
                     std::string /* scheme */,
                     GURL /* url */,
                     string16 /* title */)
 
 // Register a new handler for Intents with the given action and type filter.
@@ skipping 46 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 */)