[sensors] Make generic_sensor a component

device/generic_sensor/platform_sensor_provider_base.h

Index: device/generic_sensor/platform_sensor_provider_base.h
diff --git a/device/generic_sensor/platform_sensor_provider_base.h b/device/generic_sensor/platform_sensor_provider_base.h
index 6244170e86a61c0218f86652393192fdb37c6c8f..2065a3f695fb5836240640da9940bb0dee03ae68 100644
--- a/device/generic_sensor/platform_sensor_provider_base.h
+++ b/device/generic_sensor/platform_sensor_provider_base.h
@@ -8,13 +8,15 @@
 #include "base/macros.h"
 
 #include "base/threading/non_thread_safe.h"
+#include "device/generic_sensor/generic_sensor_export.h"
 #include "device/generic_sensor/platform_sensor.h"
 
 namespace device {
 
 // Base class that defines factory methods for PlatformSensor creation.
 // Its implementations must be accessed via GetInstance() method.
-class PlatformSensorProviderBase : public base::NonThreadSafe {
+class DEVICE_GENERIC_SENSOR_EXPORT PlatformSensorProviderBase
+    : public base::NonThreadSafe {
  public:
   using CreateSensorCallback =
       base::Callback<void(scoped_refptr<PlatformSensor>)>;