Update from https://crrev.com/328418

base/win/scoped_variant_unittest.cc

Index: base/win/scoped_variant_unittest.cc
diff --git a/base/win/scoped_variant_unittest.cc b/base/win/scoped_variant_unittest.cc
index 284a6ef2c19415fe5e1cf5bd6850bd997de221da..d530d5bcd91c78f4b8319a9770a64f673c64afd5 100644
--- a/base/win/scoped_variant_unittest.cc
+++ b/base/win/scoped_variant_unittest.cc
@@ -27,34 +27,34 @@ class FakeComObject : public IDispatch {
   FakeComObject() : ref_(0) {
   }
 
-  STDMETHOD_(DWORD, AddRef)() {
+  STDMETHOD_(DWORD, AddRef)() override {
     ref_++;
     return ref_;
   }
 
-  STDMETHOD_(DWORD, Release)() {
+  STDMETHOD_(DWORD, Release)() override {
     ref_--;
     return ref_;
   }
 
-  STDMETHOD(QueryInterface)(REFIID, void**) {
-    return E_NOTIMPL;
-  }
+  STDMETHOD(QueryInterface)(REFIID, void**) override { return E_NOTIMPL; }
 
-  STDMETHOD(GetTypeInfoCount)(UINT*) {
-    return E_NOTIMPL;
-  }
+  STDMETHOD(GetTypeInfoCount)(UINT*) override { return E_NOTIMPL; }
 
-  STDMETHOD(GetTypeInfo)(UINT, LCID, ITypeInfo**) {
-    return E_NOTIMPL;
-  }
+  STDMETHOD(GetTypeInfo)(UINT, LCID, ITypeInfo**) override { return E_NOTIMPL; }
 
-  STDMETHOD(GetIDsOfNames)(REFIID, LPOLESTR*, UINT, LCID, DISPID*) {
+  STDMETHOD(GetIDsOfNames)(REFIID, LPOLESTR*, UINT, LCID, DISPID*) override {
     return E_NOTIMPL;
   }
 
-  STDMETHOD(Invoke)(DISPID, REFIID, LCID, WORD, DISPPARAMS*, VARIANT*,
-                    EXCEPINFO*, UINT*) {
+  STDMETHOD(Invoke)(DISPID,
+                    REFIID,
+                    LCID,
+                    WORD,
+                    DISPPARAMS*,
+                    VARIANT*,
+                    EXCEPINFO*,
+                    UINT*) override {
     return E_NOTIMPL;
   }