Expose GetLoggingFileName in ContentBrowserClient.

chrome/browser/chrome_content_browser_client_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 "chrome/browser/chrome_content_browser_client.h"
 
 #include <list>
 #include <map>
 #include <memory>
 
@@ skipping 562 matching lines @@
   // Two removal tasks, with domain and origin filters respectively.
   client.ClearSiteData(
       profile(), origin, true /* cookies */, false /* storage */,
       true /* cache */,
       base::Bind(
           &ChromeContentBrowserClientClearSiteDataTest::OnClearingFinished,
           base::Unretained(this)));
   WaitForClearingFinished();
 }
 
+class ChromeContentBrowserClientGetLoggingFileTest : public testing::Test {};
+
+TEST_F(ChromeContentBrowserClientGetLoggingFileTest, GetLoggingFile) {
+  ChromeContentBrowserClient client;
+  base::FilePath log_file_name;
+  EXPECT_FALSE(client.GetLoggingFileName().empty());
+}
+
 }  // namespace