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

net/base/escape_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 "net/base/escape.h"
 
 #include "base/basictypes.h"
-#include "base/logging.h"
 #include "base/string_util.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace {
 
 struct EscapeCase {
   const wchar_t* input;
   const wchar_t* output;
 };
 
@@ skipping 203 matching lines @@
   const EscapeForHTMLCase tests[] = {
     { "hello", "hello" },
     { "<hello>", "&lt;hello&gt;" },
     { "don\'t mess with me", "don&#39;t mess with me" },
   };
   for (size_t i = 0; i < arraysize(tests); ++i) {
     std::string result = EscapeForHTML(std::string(tests[i].input));
     EXPECT_EQ(std::string(tests[i].expected_output), result);
   }
 }