Add hooks to content to request permission to connect to the PPAPI broker.

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 1267 matching lines @@
 // window.navigator.onLine should be updated for all WebViews.
 IPC_MESSAGE_CONTROL1(ViewMsg_NetworkStateChanged,
                      bool /* online */)
 
 // Reply to ViewHostMsg_OpenChannelToPpapiBroker
 // Tells the renderer that the channel to the broker has been created.
 IPC_MESSAGE_ROUTED2(ViewMsg_PpapiBrokerChannelCreated,
                     int /* request_id */,
                     IPC::ChannelHandle /* handle */)
 
+// Reply to ViewHostMsg_RequestPpapiBrokerPermission.
+// Tells the renderer whether permission to access to PPAPI broker was granted
+// or not.
+IPC_MESSAGE_ROUTED2(ViewMsg_PpapiBrokerPermissionResult,
+                    int /* request_id */,
+                    bool /* result */)
+
 // Tells the renderer to empty its plugin list cache, optional reloading
 // pages containing plugins.
 IPC_MESSAGE_CONTROL1(ViewMsg_PurgePluginListCache,
                      bool /* reload_pages */)
 
 // 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).
 IPC_MESSAGE_ROUTED0(ViewMsg_DisassociateFromPopupCount)
 
@@ skipping 519 matching lines @@
 // 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 */)
 
+// A renderer sends this to the browser process when it wants to access a PPAPI
+// broker. In contrast to ViewHostMsg_OpenChannelToPpapiBroker, this is called
+// for every connection.
+// The browser will respond with ViewMsg_PpapiBrokerPermissionResult.
+IPC_MESSAGE_ROUTED3(ViewHostMsg_RequestPpapiBrokerPermission,
+                    int /* request_id */,
+                    GURL /* document_url */,
+                    FilePath /* plugin_path */)
+
 #if defined(USE_X11)
 // A renderer sends this when it needs a browser-side widget for
 // hosting a windowed plugin. id is the XID of the plugin window, for which
 // the container is created.
 IPC_SYNC_MESSAGE_ROUTED1_0(ViewHostMsg_CreatePluginContainer,
                            gfx::PluginWindowHandle /* id */)
 
 // Destroy a plugin container previously created using CreatePluginContainer.
 // id is the XID of the plugin window corresponding to the container that is
 // to be destroyed.
@@ skipping 348 matching lines @@
 // (according to the value of is_hung). The browser can give the user the
 // option of killing the plugin.
 IPC_MESSAGE_ROUTED3(ViewHostMsg_PepperPluginHung,
                     int /* plugin_child_id */,
                     FilePath /* path */,
                     bool /* is_hung */)
 
 // Screen was rotated. Dispatched to the onorientationchange javascript API.
 IPC_MESSAGE_ROUTED1(ViewMsg_OrientationChangeEvent,
                     int /* orientation */)