Add support for external out-of-process PPAPI plugins in the browser.

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/process.h"
 #include "base/shared_memory.h"
 #include "content/common/content_export.h"
@@ skipping 1908 matching lines @@
 // process. This ID is valid only in the context of the browser process and is
 // used to identify the proper process when the renderer notifies it that the
 // plugin is hung.
 //
 // On error an empty string and null handles are returned.
 IPC_SYNC_MESSAGE_CONTROL1_2(ViewHostMsg_OpenChannelToPepperPlugin,
                             FilePath /* path */,
                             IPC::ChannelHandle /* handle to channel */,
                             int /* plugin_child_id */)
 
-// Notification that a native (non-NaCl) plugin has created a new plugin
-// instance. The parameters indicate the plugin process ID that we're creating
-// the instance for, and the routing ID of the render view that the plugin
-// instance is associated with. This allows us to create a mapping in the
-// browser process for what objects a given PP_Instance is associated with.
+// Notification that a plugin has created a new plugin instance. The parameters
+// indicate the plugin process ID that we're creating the instance for, and the
+// routing ID of the render view that the plugin instance is associated with.
+// This allows us to create a mapping in the browser process for what objects a
+// given PP_Instance is associated with.
 //
 // This message must be sync even though it returns no parameters to avoid
 // a race condition with the plugin process. The plugin process sends messages
 // to the browser that assume the browser knows about the instance. We need to
-// sure that the browser actually knows about the instance before we tell the
-// plugin to run.
-IPC_SYNC_MESSAGE_CONTROL3_0(ViewHostMsg_DidCreateOutOfProcessPepperInstance,
+// make sure that the browser actually knows about the instance before we tell
+// the plugin to run.
+IPC_SYNC_MESSAGE_CONTROL4_0(ViewHostMsg_DidCreateOutOfProcessPepperInstance,
                             int /* plugin_child_id */,
                             int32 /* pp_instance */,
-                            int /* view_routing_id */)
+                            int /* view_routing_id */,
+                            bool /* is_external */)
 
-// Notification that a native (non-NaCl) plugin has destroyed an instance. This
-// is the opposite if the "DidCreate" version above.
-IPC_MESSAGE_CONTROL2(ViewHostMsg_DidDeleteOutOfProcessPepperInstance,
+// Notification that a plugin has destroyed an instance. This is the opposite of
+// the "DidCreate" message above.
+IPC_MESSAGE_CONTROL3(ViewHostMsg_DidDeleteOutOfProcessPepperInstance,
                      int /* plugin_child_id */,
-                     int32 /* pp_instance */)
+                     int32 /* pp_instance */,
+                     bool /* is_external */)
 
 // A renderer sends this to the browser process when it wants to
 // create a ppapi broker.  The browser will create the broker process
 // if necessary, and will return a handle to the channel on success.
 // On error an empty string is returned.
 // The browser will respond with ViewMsg_PpapiBrokerChannelCreated.
 IPC_MESSAGE_CONTROL3(ViewHostMsg_OpenChannelToPpapiBroker,
                      int /* routing_id */,
                      int /* request_id */,
                      FilePath /* path */)
@@ skipping 424 matching lines @@
 IPC_MESSAGE_ROUTED1(ViewHostMsg_StartContentIntent,
                     GURL /* content_url */)
 #endif
 
 // Notifies that multiple touch targets may have been pressed, and to show
 // the disambiguation popup.
 IPC_MESSAGE_ROUTED3(ViewHostMsg_ShowDisambiguationPopup,
                     gfx::Rect, /* Border of touched targets */
                     gfx::Size, /* Size of zoomed image */
                     TransportDIB::Id /* DIB of zoomed image */)