Move the remaning files in content\common to the content namespace.

content/common/java_bridge_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 injected Java objects. See JavaBridgeDispatcher for details.
 
 // Multiply-included message file, hence no include guard.
 
 #include "content/common/content_param_traits.h"
 #include "ipc/ipc_channel_handle.h"
 #include "ipc/ipc_message_macros.h"
 
 #define IPC_MESSAGE_START JavaBridgeMsgStart
 
 // Messages for handling Java objects injected into JavaScript -----------------
 
 // Sent from browser to renderer to initialize the Java Bridge.
 IPC_MESSAGE_ROUTED0(JavaBridgeMsg_Init)
 
 // Sent from browser to renderer to add a Java object with the given name.
 IPC_MESSAGE_ROUTED2(JavaBridgeMsg_AddNamedObject,
                     string16 /* name */,
-                    NPVariant_Param) /* object */
+                    content::NPVariant_Param) /* object */
 
 // Sent from browser to renderer to remove a Java object with the given name.
 IPC_MESSAGE_ROUTED1(JavaBridgeMsg_RemoveNamedObject,
                     string16 /* name */)
 
 // Sent from renderer to browser to request a route ID for a renderer-side (ie
 // JavaScript) object.
 IPC_SYNC_MESSAGE_CONTROL0_1(JavaBridgeMsg_GenerateRouteID,
                             int /* route_id */)
 
 // Sent from renderer to browser to get the channel handle for NP channel.
 IPC_SYNC_MESSAGE_ROUTED0_1(JavaBridgeHostMsg_GetChannelHandle,
                            IPC::ChannelHandle) /* channel handle */