Get rid of chrome dependencies from PluginProcessHost by moving dispatching of chrome specific me...

content/common/plugin_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.
 //
 // Multiply-included message file, hence no include guard.
 
 #include "build/build_config.h"
 #include "content/common/common_param_traits.h"
 #include "content/common/webkit_param_traits.h"
 #include "ipc/ipc_channel_handle.h"
@@ skipping 80 matching lines @@
 
 IPC_SYNC_MESSAGE_CONTROL0_1(PluginProcessHostMsg_GetPluginFinderUrl,
                             std::string /* plugin finder URL */)
 
 #if defined(OS_WIN)
 // Destroys the given window's parent on the UI thread.
 IPC_MESSAGE_CONTROL2(PluginProcessHostMsg_PluginWindowDestroyed,
                      HWND /* window */,
                      HWND /* parent */)
 
-IPC_MESSAGE_ROUTED3(PluginProcessHostMsg_DownloadUrl,
-                    std::string /* URL */,
-                    int /* process id */,
-                    HWND /* caller window */)
+IPC_MESSAGE_CONTROL3(PluginProcessHostMsg_DownloadUrl,
+                     std::string /* URL */,
+                     int /* process id */,
+                     HWND /* caller window */)
 #endif
 
 #if defined(USE_X11)
 // On X11, the mapping between NativeViewId and X window ids
 // is known only to the browser.  This message lets the plugin process
 // ask about a NativeViewId that was provided by the renderer.
 // It will get 0 back if it's a bogus input.
 IPC_SYNC_MESSAGE_CONTROL1_1(PluginProcessHostMsg_MapNativeViewId,
                            gfx::NativeViewId /* input: native view id */,
                            gfx::PluginWindowHandle /* output: X window id */)
@@ skipping 356 matching lines @@
 IPC_SYNC_MESSAGE_ROUTED1_2(NPObjectMsg_Construct,
                            std::vector<NPVariant_Param> /* args */,
                            NPVariant_Param /* result_param */,
                            bool /* result */)
 
 IPC_SYNC_MESSAGE_ROUTED2_2(NPObjectMsg_Evaluate,
                            std::string /* script */,
                            bool /* popups_allowed */,
                            NPVariant_Param /* result_param */,
                            bool /* result */)