Style cleanup in preparation for auto-linting base/.

base/stack_container_unittest.cc

 // Copyright (c) 2006-2008 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/stack_container.h"
 
 #include <algorithm>
 
 #include "testing/gtest/include/gtest/gtest.h"
 #include "base/ref_counted.h"
 
 namespace {
 
 class Dummy : public base::RefCounted<Dummy> {
  public:
-  Dummy(int* alive) : alive_(alive) {
+  explicit Dummy(int* alive) : alive_(alive) {
     ++*alive_;
   }
 
  private:
   friend class base::RefCounted<Dummy>;
 
   ~Dummy() {
     --*alive_;
   }
 
@@ skipping 84 matching lines @@
   EXPECT_EQ(even_aligned, true);
 }
 
 #ifdef COMPILER_MSVC
 // Make sure all the class compiles correctly.
 // TODO(pinkerton): i'm not sure why this doesn't compile on GCC, but
 // it doesn't.
 template StackVector<int, 2>;
 template StackVector<scoped_refptr<Dummy>, 2>;
 #endif