Pepper: specify the security origin when enumerating media devices.

content/public/renderer/renderer_ppapi_host.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.
 
 #ifndef CONTENT_PUBLIC_RENDERER_RENDERER_PPAPI_HOST_H_
 #define CONTENT_PUBLIC_RENDERER_RENDERER_PPAPI_HOST_H_
 
 #include <vector>
 
 #include "base/callback_forward.h"
 #include "base/memory/ref_counted.h"
 #include "base/platform_file.h"
 #include "base/process/process.h"
 #include "content/common/content_export.h"
 #include "ipc/ipc_platform_file.h"
 #include "ppapi/c/pp_instance.h"
+#include "url/gurl.h"
 
 namespace base {
 class FilePath;
 }
 
 namespace gfx {
 class Point;
 }
 
 namespace IPC {
@@ skipping 94 matching lines @@
   // resource host creation messages and |instance| is the PP_Instance which
   // the resource will belong to. |callback| will be called asynchronously with
   // the pending host IDs when the ResourceHosts have been created. This can be
   // passed back to the plugin to attach to the ResourceHosts. Pending IDs of 0
   // will be passed to the callback if a ResourceHost fails to be created.
   virtual void CreateBrowserResourceHosts(
       PP_Instance instance,
       const std::vector<IPC::Message>& nested_msgs,
       const base::Callback<void(const std::vector<int>&)>& callback) const = 0;
 
+  // Gets the URL of the document containing the given PP_Instance.
+  // Returns an empty URL if the instance is invalid.
+  // TODO(yzshen): Some methods such as this one don't need to be pure virutal.

[Avi (use Gerrit), 2013/11/04 19:59:45]

s/virutal/virtual/

[yzshen1, 2013/11/04 20:04:17]

Done.

+  // Instead, they could be directly implemented using other methods in this
+  // interface. Consider changing them to static helpers.
+  virtual GURL GetDocumentURL(PP_Instance instance) const = 0;
+
  protected:
   virtual ~RendererPpapiHost() {}
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_RENDERER_RENDERER_PPAPI_HOST_H_