Get rid of unnecessary forward declarations in components/autofill/

components/autofill/core/browser/password_generator_unittest.cc

 // Copyright 2013 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 <locale>
 
-#include "base/logging.h"
 #include "components/autofill/core/browser/password_generator.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace autofill {
 
 TEST(PasswordGeneratorTest, PasswordLength) {
   PasswordGenerator pg1(10);
   std::string password = pg1.Generate();
   EXPECT_EQ(password.size(), 10u);
 
@@ skipping 30 matching lines @@
 TEST(PasswordGeneratorTest, Printable) {
   PasswordGenerator pg(12);
   std::string password = pg.Generate();
   for (size_t i = 0; i < password.size(); i++) {
     // Make sure that the character is printable.
     EXPECT_TRUE(isgraph(password[i]));
   }
 }
 
 }  // namespace autofill