Decouple bluetooth_event_router from extension_system.

chrome/browser/extensions/api/bluetooth/bluetooth_apitest.cc

Index: chrome/browser/extensions/api/bluetooth/bluetooth_apitest.cc
diff --git a/chrome/browser/extensions/api/bluetooth/bluetooth_apitest.cc b/chrome/browser/extensions/api/bluetooth/bluetooth_apitest.cc
index 50452e7a7dba92197f398d8a2cb9ab45d8109bff..15fa7c652ffbd7bbe1a96d48b30c2fe2d941bf35 100644
--- a/chrome/browser/extensions/api/bluetooth/bluetooth_apitest.cc
+++ b/chrome/browser/extensions/api/bluetooth/bluetooth_apitest.cc
@@ -6,7 +6,7 @@
 
 #include "base/stringprintf.h"
 #include "chrome/browser/extensions/api/bluetooth/bluetooth_api.h"
-#include "chrome/browser/extensions/bluetooth_event_router.h"
+#include "chrome/browser/extensions/api/bluetooth/bluetooth_event_router.h"
 #include "chrome/browser/extensions/extension_apitest.h"
 #include "chrome/browser/extensions/extension_function_test_utils.h"
 #include "chrome/browser/extensions/extension_service.h"
@@ -97,8 +97,8 @@ class BluetoothApiTest : public ExtensionApiTest {
   scoped_ptr<testing::NiceMock<MockBluetoothDevice> > device2_;
 
   extensions::ExtensionBluetoothEventRouter* event_router() {
-    return browser()->profile()->GetExtensionService()->
-        bluetooth_event_router();
+    return extensions::BluetoothAPI::Get(browser()->profile())
+        ->bluetooth_event_router();
   }
 
  private: