Do not pass the origin to MediaDevicesDispatcherHost.

content/renderer/pepper/pepper_device_enumeration_host_helper.h

Index: content/renderer/pepper/pepper_device_enumeration_host_helper.h
diff --git a/content/renderer/pepper/pepper_device_enumeration_host_helper.h b/content/renderer/pepper/pepper_device_enumeration_host_helper.h
index 70d5d66d9f37a5c60d805c766d19d5386d3661a6..a322a9a13d9eb628e138508c68f3d6c3d1ed22fd 100644
--- a/content/renderer/pepper/pepper_device_enumeration_host_helper.h
+++ b/content/renderer/pepper/pepper_device_enumeration_host_helper.h
@@ -49,7 +49,6 @@ class CONTENT_EXPORT PepperDeviceEnumerationHostHelper {
 
     // 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
@@ -58,7 +57,6 @@ class CONTENT_EXPORT PepperDeviceEnumerationHostHelper {
     // 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
@@ -106,7 +104,6 @@ class CONTENT_EXPORT PepperDeviceEnumerationHostHelper {
   base::WeakPtr<Delegate> delegate_;
 
   PP_DeviceType_Dev device_type_;
-  GURL document_url_;
 
   std::unique_ptr<ScopedEnumerationRequest> enumerate_;
   std::unique_ptr<ScopedMonitoringRequest> monitor_;