Move ContentBrowserTest class to content/public, since it's used by components_browsertests for bro…

content/test/content_browser_test_test.cc

Index: content/test/content_browser_test_test.cc
===================================================================
--- content/test/content_browser_test_test.cc	(revision 259922)
+++ content/test/content_browser_test_test.cc	(working copy)
@@ -2,14 +2,14 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "content/test/content_browser_test.h"
+#include "content/public/test/content_browser_test.h"
 
 #include "base/command_line.h"
 #include "base/strings/utf_string_conversions.h"
 #include "content/public/common/content_switches.h"
 #include "content/public/test/browser_test_utils.h"
+#include "content/public/test/content_browser_test_utils.h"
 #include "content/shell/browser/shell.h"
-#include "content/test/content_browser_test_utils.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace content {