<webview>: First stab at implementing media permission request for guests.

content/browser/browser_plugin/browser_plugin_embedder.cc

 // 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.
 
 #include "content/browser/browser_plugin/browser_plugin_embedder.h"
 
 #include "base/command_line.h"
 #include "base/stl_util.h"
 #include "content/browser/browser_plugin/browser_plugin_guest.h"
 #include "content/browser/browser_plugin/browser_plugin_host_factory.h"
@@ skipping 232 matching lines @@
     IPC_MESSAGE_HANDLER(BrowserPluginHostMsg_AllocateInstanceID,
                         OnAllocateInstanceID)
     IPC_MESSAGE_HANDLER(BrowserPluginHostMsg_CreateGuest,
                         OnCreateGuest)
     IPC_MESSAGE_HANDLER(BrowserPluginHostMsg_PluginAtPositionResponse,
                         OnPluginAtPositionResponse)
     IPC_MESSAGE_HANDLER(BrowserPluginHostMsg_PluginDestroyed,
                         OnPluginDestroyed)
     IPC_MESSAGE_HANDLER(BrowserPluginHostMsg_BuffersSwappedACK,
                         OnSwapBuffersACK)
+    IPC_MESSAGE_HANDLER(BrowserPluginHostMsg_AllowMediaAccess,
+                        OnAllowMediaAccess)
     IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP()
   return handled;
 }
 
 void BrowserPluginEmbedder::Observe(int type,
                                     const NotificationSource& source,
                                     const NotificationDetails& details) {
   switch (type) {
     case NOTIFICATION_WEB_CONTENTS_VISIBILITY_CHANGED: {
@@ skipping 89 matching lines @@
     render_view_host = render_view_host_;
 
   callback_iter->second.Run(render_view_host, position.x(), position.y());
   pending_get_render_view_callbacks_.erase(callback_iter);
 }
 
 void BrowserPluginEmbedder::OnPluginDestroyed(int instance_id) {
   DestroyGuestByInstanceID(instance_id);
 }
 
+void BrowserPluginEmbedder::OnAllowMediaAccess(int instance_id,
+                                               int request_id,
+                                               bool should_allow) {
+  BrowserPluginGuest* guest = GetGuestByInstanceID(instance_id);

[Fady Samuel, 2013/02/05 17:53:27]

No need for this. Simply add BrowserPluginHostMsg_AllowMediaAccess to
ShouldForwardToBrowserPluginGuest, and it'll automagically do the forwarding for
you.

[lazyboy, 2013/02/07 04:38:42]

Yep, we also have embedder_web_contents_ directly in guest, which makes it work.
Done.

+  if (guest)
+    guest->AllowMediaAccess(web_contents(), request_id, should_allow);
+}
+
 void BrowserPluginEmbedder::OnSwapBuffersACK(int route_id,
                                              int gpu_host_id,
                                              const std::string& mailbox_name,
                                              uint32 sync_point) {
   AcceleratedSurfaceMsg_BufferPresented_Params ack_params;
   ack_params.mailbox_name = mailbox_name;
   ack_params.sync_point = sync_point;
   RenderWidgetHostImpl::AcknowledgeBufferPresent(route_id,
                                                  gpu_host_id,
                                                  ack_params);
 }
 
 }  // namespace content