Fix some clang warnings with -Wmissing-braces in base.

base/win/scoped_comptr_unittest.cc

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "base/win/scoped_comptr.h"
 
 #include <shlobj.h>
 
 #include "base/memory/scoped_ptr.h"
 #include "base/win/scoped_com_initializer.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace base {
 namespace win {
 
 namespace {
 
 struct Dummy {
   Dummy() : adds(0), releases(0) { }
   void AddRef() { ++adds; }
   void Release() { ++releases; }
 
   int adds;
   int releases;
 };
 
 extern const IID dummy_iid;
-const IID dummy_iid = { 0x12345678u, 0x1234u, 0x5678u, 01, 23, 45, 67, 89,
-                        01, 23, 45 };
+const IID dummy_iid = {0x12345678u,
+                       0x1234u,
+                       0x5678u,
+                       {01, 23, 45, 67, 89, 01, 23, 45}};
 
 }  // namespace
 
 TEST(ScopedComPtrTest, ScopedComPtr) {
   EXPECT_EQ(memcmp(&ScopedComPtr<IUnknown>::iid(), &IID_IUnknown, sizeof(IID)),
             0);
 
   base::win::ScopedCOMInitializer com_initializer;
   EXPECT_TRUE(com_initializer.succeeded());
 
@@ skipping 62 matching lines @@
     bleh.pop_back();
     EXPECT_EQ(p->adds, 4);
     EXPECT_EQ(p->releases, 2);
   }
   EXPECT_EQ(p->adds, 4);
   EXPECT_EQ(p->releases, 4);
 }
 
 }  // namespace win
 }  // namespace base