[sensors] Add Permission guard to the generic sensor apis.

third_party/WebKit/Source/modules/sensor/Sensor.cpp

 // Copyright 2016 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 "modules/sensor/Sensor.h"
 
 #include "core/dom/Document.h"
 #include "core/dom/ExceptionCode.h"
 #include "core/dom/TaskRunnerHelper.h"
 #include "core/inspector/ConsoleMessage.h"
@@ skipping 143 matching lines @@
   if (sensor_proxy_)
     return;
 
   Document* document = ToDocument(GetExecutionContext());
   if (!document || !document->GetFrame())
     return;
 
   auto provider = SensorProviderProxy::From(document->GetFrame());
   sensor_proxy_ = provider->GetSensorProxy(type_);
 
-  if (!sensor_proxy_)
-    sensor_proxy_ = provider->CreateSensorProxy(type_, document->GetPage());
+  if (!sensor_proxy_) {
+    RefPtr<SecurityOrigin> origin = GetExecutionContext()->GetSecurityOrigin();
+    DCHECK(origin);
+    sensor_proxy_ = provider->CreateSensorProxy(type_, document->GetPage(),
+                                                std::move(origin));
+  }
 }
 
 void Sensor::ContextDestroyed(ExecutionContext*) {
   if (state_ == Sensor::SensorState::kActivated ||
       state_ == Sensor::SensorState::kActivating)
     StopListening();
 }
 
 void Sensor::OnSensorInitialized() {
   if (state_ != Sensor::SensorState::kActivating)
@@ skipping 119 matching lines @@
 }
 
 bool Sensor::CanReturnReadings() const {
   if (!IsActivated())
     return false;
   DCHECK(sensor_proxy_);
   return sensor_proxy_->Reading().timestamp != 0.0;
 }
 
 }  // namespace blink