Remove logging.h from cc files that don't use it.

chrome/browser/download/save_package_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 <string>
 
 #include "base/file_path.h"
-#include "base/logging.h"
 #include "base/path_service.h"
 #include "base/string_util.h"
 #include "chrome/browser/download/save_package.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 #define FPL FILE_PATH_LITERAL
 
 namespace {
 
 // This constant copied from save_package.cc.
@@ skipping 148 matching lines @@
   EXPECT_TRUE(HasOrdinalNumber(filename));
 
   // Test that the filename is successfully shortened to fit, and gets a
   // different ordinal appended.
   FilePath::StringType filename2;
   ASSERT_TRUE(GetGeneratedFilename(true, "", url, false, &filename2));
   EXPECT_TRUE(filename2.length() < long_file.length());
   EXPECT_TRUE(HasOrdinalNumber(filename2));
   EXPECT_NE(filename, filename2);
 }