<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/stl_util.h"
 #include "content/browser/browser_plugin/browser_plugin_embedder_helper.h"
 #include "content/browser/browser_plugin/browser_plugin_guest.h"
 #include "content/browser/browser_plugin/browser_plugin_host_factory.h"
@@ skipping 297 matching lines @@
 
 void BrowserPluginEmbedder::SetAutoSize(
     int instance_id,
     const BrowserPluginHostMsg_AutoSize_Params& auto_size_params,
     const BrowserPluginHostMsg_ResizeGuest_Params& resize_guest_params) {
   BrowserPluginGuest* guest = GetGuestByInstanceID(instance_id);
   if (guest)
     guest->SetSize(auto_size_params, resize_guest_params);
 }
 
+void BrowserPluginEmbedder::AllowMediaAccess(int instance_id,
+                                             int request_id,
+                                             bool should_allow) {
+  BrowserPluginGuest* guest = GetGuestByInstanceID(instance_id);

[Charlie Reis, 2012/12/07 19:16:25]

Should we have a security check here, ensuring that the embedder has this
permission to grant?  We wouldn't want some other future caller of this to leak
the permission inadvertently.  (Or is there something else that should prevent
that?)

[lazyboy, 2012/12/07 22:50:44]

(see next comment)

+  if (guest)
+    guest->AllowMediaAccess(web_contents(), request_id, should_allow);
+}
+
 void BrowserPluginEmbedder::Go(int instance_id, int relative_index) {
   BrowserPluginGuest* guest = GetGuestByInstanceID(instance_id);
   if (guest)
     guest->Go(relative_index);
 }
 
 void BrowserPluginEmbedder::Stop(int instance_id) {
   BrowserPluginGuest* guest = GetGuestByInstanceID(instance_id);
   if (guest)
     guest->Stop();
@@ skipping 52 matching lines @@
       bool visible = *Details<bool>(details).ptr();
       WebContentsVisibilityChanged(visible);
       break;
     }
     default:
       NOTREACHED() << "Unexpected notification type: " << type;
   }
 }
 
 }  // namespace content