Add basic browser test for EmbeddedWorker/ServiceWorker

chrome/browser/browsing_data/browsing_data_remover_unittest.cc

Index: chrome/browser/browsing_data/browsing_data_remover_unittest.cc
diff --git a/chrome/browser/browsing_data/browsing_data_remover_unittest.cc b/chrome/browser/browsing_data/browsing_data_remover_unittest.cc
index 7324ded6a611c3efdc32d9f32932f225e2fe2b3a..091989b024425e5ba26547837a36587e5fbb379d 100644
--- a/chrome/browser/browsing_data/browsing_data_remover_unittest.cc
+++ b/chrome/browser/browsing_data/browsing_data_remover_unittest.cc
@@ -187,6 +187,10 @@ class TestStoragePartition : public StoragePartition {
   virtual content::IndexedDBContext* GetIndexedDBContext() OVERRIDE {
     return NULL;
   }
+  virtual content::ServiceWorkerContextWrapper*
+  GetServiceWorkerContext() OVERRIDE {
+    return NULL;
+  }
 
   virtual void ClearDataForOrigin(
       uint32 remove_mask,