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

chrome/common/gfx/emf_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 "chrome/common/gfx/emf.h"
 
 // For quick access.
 #include <wingdi.h>
 
 #include "base/basictypes.h"
 #include "base/file_util.h"
-#include "base/logging.h"
 #include "base/path_service.h"
 #include "chrome/browser/printing/win_printing_context.h"
 #include "chrome/common/chrome_paths.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace {
 
 // This test is automatically disabled if no printer named "UnitTest Printer" is
 // available.
 class EmfPrintingTest : public testing::Test {
@@ skipping 83 matching lines @@
     ptrdiff_t index = itr - emf_enum.begin();
     // If you get this assert, you need to lookup iType in wingdi.h. It starts
     // with EMR_HEADER.
     EMR_HEADER;
     EXPECT_TRUE(itr->SafePlayback(NULL)) <<
         " index: " << index << " type: " << itr->record()->iType;
   }
   context.PageDone();
   context.DocumentDone();
 }