Pepper: specify the security origin when enumerating media devices.

content/renderer/pepper/pepper_media_device_manager.cc

Index: content/renderer/pepper/pepper_media_device_manager.cc
diff --git a/content/renderer/pepper/pepper_media_device_manager.cc b/content/renderer/pepper/pepper_media_device_manager.cc
index 353181630126c75712fa7858869fd7240341c597..11e45ad6d781da3caefc713374ce14e5f0caaccf 100644
--- a/content/renderer/pepper/pepper_media_device_manager.cc
+++ b/content/renderer/pepper/pepper_media_device_manager.cc
@@ -45,6 +45,7 @@ PepperMediaDeviceManager::~PepperMediaDeviceManager() {
 
 int PepperMediaDeviceManager::EnumerateDevices(
     PP_DeviceType_Dev type,
+    const GURL& document_url,
     const EnumerateDevicesCallback& callback) {
   enumerate_callbacks_[next_id_] = callback;
   int request_id = next_id_++;
@@ -53,7 +54,7 @@ int PepperMediaDeviceManager::EnumerateDevices(
   GetRenderViewImpl()->media_stream_dispatcher()->EnumerateDevices(
       request_id, AsWeakPtr(),
       PepperMediaDeviceManager::FromPepperDeviceType(type),
-      GURL());
+      document_url.GetOrigin());
 #else
   base::MessageLoop::current()->PostTask(
       FROM_HERE,