bluetooth: Enable Web Bluetooth in Origin Trials

third_party/WebKit/Source/modules/bluetooth/Bluetooth.cpp

 // Copyright 2015 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/bluetooth/Bluetooth.h"
 
 #include "bindings/core/v8/CallbackPromiseAdapter.h"
 #include "bindings/core/v8/ScriptPromise.h"
 #include "bindings/core/v8/ScriptPromiseResolver.h"
 #include "core/dom/DOMException.h"
@@ skipping 112 matching lines @@
                 return;
             optionalServices.append(validatedOptionalService);
         }
         result.optionalServices.assign(optionalServices);
     }
 }
 
 // https://webbluetoothchrome.github.io/web-bluetooth/#dom-bluetooth-requestdevice
 ScriptPromise Bluetooth::requestDevice(ScriptState* scriptState, const RequestDeviceOptions& options, ExceptionState& exceptionState)
 {
+
+    // By adding the "OriginTrialEnabled" extended binding, we enable the
+    // requestDevice function on all platforms for websites that contain an
+    // origin trial token. Since we only support Chrome OS, Android and MacOS
+    // for this experiment we reject any promises from other platforms unless
+    // they have the enable-web-bluetooth flag on.
+#if !OS(CHROMEOS) && !OS(ANDROID) && !OS(MACOSX)
+    if (!RuntimeEnabledFeatures::webBluetoothEnabled()) {
+        return ScriptPromise::rejectWithDOMException(scriptState, DOMException::create(NotSupportedError, "Web Bluetooth is not enabled on this platform. To find out how to enable it and the current implementation status visit https://goo.gl/HKa2If"));
+    }
+#endif
+
     // 1. If the incumbent settings object is not a secure context, reject promise with a SecurityError and abort these steps.
     String errorMessage;
     if (!scriptState->getExecutionContext()->isSecureContext(errorMessage)) {
         return ScriptPromise::rejectWithDOMException(scriptState, DOMException::create(SecurityError, errorMessage));
     }
 
     // 2. If the algorithm is not allowed to show a popup, reject promise with a SecurityError and abort these steps.
     if (!UserGestureIndicator::consumeUserGesture()) {
         return ScriptPromise::rejectWithDOMException(scriptState, DOMException::create(SecurityError, "Must be handling a user gesture to show a permission request."));
     }
@@ skipping 10 matching lines @@
 
     // Subsequent steps are handled in the browser process.
     ScriptPromiseResolver* resolver = ScriptPromiseResolver::create(scriptState);
     ScriptPromise promise = resolver->promise();
     webbluetooth->requestDevice(webOptions, new CallbackPromiseAdapter<BluetoothDevice, BluetoothError>(resolver));
     return promise;
 
 }
 
 } // namespace blink