Revert of bluetooth: Make device/bluetooth a shared library component.

device/bluetooth/bluetooth_adapter.h

Index: device/bluetooth/bluetooth_adapter.h
diff --git a/device/bluetooth/bluetooth_adapter.h b/device/bluetooth/bluetooth_adapter.h
index 6c70fdf510580a338f7a6f22a4ebf0ed3cb500b0..f3067689e922417959b2571a8d29a7f1776ad23b 100644
--- a/device/bluetooth/bluetooth_adapter.h
+++ b/device/bluetooth/bluetooth_adapter.h
@@ -15,7 +15,6 @@
 #include "base/memory/ref_counted.h"
 #include "base/memory/weak_ptr.h"
 #include "device/bluetooth/bluetooth_device.h"
-#include "device/bluetooth/bluetooth_export.h"
 
 namespace device {
 
@@ -32,8 +31,7 @@
 // this class also provides support for obtaining the list of remote devices
 // known to the adapter, discovering new devices, and providing notification of
 // updates to device information.
-class DEVICE_BLUETOOTH_EXPORT BluetoothAdapter
-    : public base::RefCounted<BluetoothAdapter> {
+class BluetoothAdapter : public base::RefCounted<BluetoothAdapter> {
  public:
   // Interface for observing changes from bluetooth adapters.
   class Observer {
@@ -160,7 +158,7 @@
   };
 
   // Used to configure a listening servie.
-  struct DEVICE_BLUETOOTH_EXPORT ServiceOptions {
+  struct ServiceOptions {
     ServiceOptions();
     ~ServiceOptions();