Revert "[Memory-UMA] Implement basic working prototype."

services/resource_coordinator/memory/coordinator/coordinator_impl_unittest.cc

Index: services/resource_coordinator/memory/coordinator/coordinator_impl_unittest.cc
diff --git a/services/resource_coordinator/memory/coordinator/coordinator_impl_unittest.cc b/services/resource_coordinator/memory/coordinator/coordinator_impl_unittest.cc
index a3069a3c3b223556e3f82bb31378b207d01d1807..f743a2b273d0224e5c1b3651fed229ce9f8909e1 100644
--- a/services/resource_coordinator/memory/coordinator/coordinator_impl_unittest.cc
+++ b/services/resource_coordinator/memory/coordinator/coordinator_impl_unittest.cc
@@ -17,21 +17,12 @@
 
 namespace memory_instrumentation {
 
-class CoordinatorImplFake : public CoordinatorImpl {
- public:
-  CoordinatorImplFake() : CoordinatorImpl(false, nullptr) {}
-  ~CoordinatorImplFake() override {}
-  service_manager::Identity GetDispatchContext() const override {
-    return service_manager::Identity();
-  }
-};
-
 class CoordinatorImplTest : public testing::Test {
  public:
   CoordinatorImplTest() {}
   void SetUp() override {
     dump_response_args_ = {0U, false};
-    coordinator_.reset(new CoordinatorImplFake);
+    coordinator_.reset(new CoordinatorImpl(false));
   }
 
   void TearDown() override { coordinator_.reset(); }