Do not pass the origin to MediaDevicesDispatcherHost.

content/renderer/pepper/pepper_device_enumeration_host_helper.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_RENDERER_PEPPER_PEPPER_DEVICE_ENUMERATION_HOST_HELPER_H_
 #define CONTENT_RENDERER_PEPPER_PEPPER_DEVICE_ENUMERATION_HOST_HELPER_H_
 
 #include <stdint.h>
 
 #include <memory>
@@ skipping 31 matching lines @@
  public:
   class Delegate {
    public:
     virtual ~Delegate() {}
 
     using DevicesCallback = base::Callback<void(
         const std::vector<ppapi::DeviceRefData>& /* devices */)>;
 
     // Enumerates devices of the specified type.
     virtual void EnumerateDevices(PP_DeviceType_Dev type,
-                                  const GURL& document_url,
                                   const DevicesCallback& callback) = 0;
 
     // Starts monitoring devices of the specified |type|. Returns a
     // subscription ID that must be used to stop monitoring for the device
     // |type|. Does not invoke |callback| synchronously. |callback| is invoked
     // when device changes of the specified |type| occur.
     virtual uint32_t StartMonitoringDevices(
         PP_DeviceType_Dev type,
-        const GURL& document_url,
         const DevicesCallback& callback) = 0;
 
     // Stops monitoring devices of the specified |type|. The
     // |subscription_id| is the return value of StartMonitoringDevices.
     virtual void StopMonitoringDevices(PP_DeviceType_Dev type,
                                        uint32_t subscription_id) = 0;
   };
 
   // |resource_host| and |delegate| must outlive this object.
   PepperDeviceEnumerationHostHelper(ppapi::host::ResourceHost* resource_host,
@@ skipping 27 matching lines @@
   void OnEnumerateDevicesComplete(
       const std::vector<ppapi::DeviceRefData>& devices);
   void OnNotifyDeviceChange(uint32_t callback_id,
                             const std::vector<ppapi::DeviceRefData>& devices);
 
   // Non-owning pointers.
   ppapi::host::ResourceHost* resource_host_;
   base::WeakPtr<Delegate> delegate_;
 
   PP_DeviceType_Dev device_type_;
-  GURL document_url_;
 
   std::unique_ptr<ScopedEnumerationRequest> enumerate_;
   std::unique_ptr<ScopedMonitoringRequest> monitor_;
 
   ppapi::host::ReplyMessageContext enumerate_devices_context_;
 
   DISALLOW_COPY_AND_ASSIGN(PepperDeviceEnumerationHostHelper);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_PEPPER_PEPPER_DEVICE_ENUMERATION_HOST_HELPER_H_