bluetooth: browser-side implementation of writeValue.

content/child/bluetooth/web_bluetooth_impl.h

Index: content/child/bluetooth/web_bluetooth_impl.h
diff --git a/content/child/bluetooth/web_bluetooth_impl.h b/content/child/bluetooth/web_bluetooth_impl.h
index 0a78df2d13cc4ccc46872dc1c06cafb8756e29a2..5eede0ef3d6a00291d5e140f2cd16c53fc9b80b0 100644
--- a/content/child/bluetooth/web_bluetooth_impl.h
+++ b/content/child/bluetooth/web_bluetooth_impl.h
@@ -41,6 +41,9 @@ class CONTENT_EXPORT WebBluetoothImpl
       blink::WebBluetoothGetCharacteristicCallbacks* callbacks) override;
   void readValue(const blink::WebString& characteristic_instance_id,
                  blink::WebBluetoothReadValueCallbacks* callbacks) override;
+  void writeValue(const blink::WebString& characteristic_instance_id,
+                  const std::vector<uint8_t>& value,
+                  blink::WebBluetoothWriteValueCallbacks*) override;
 
  private:
   BluetoothDispatcher* GetDispatcher();