Cleanup: Update the path to gfx size headers.

content/shell/common/shell_test_configuration.h

 // Copyright (c) 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.
 
 #ifndef CONTENT_SHELL_COMMON_SHELL_TEST_CONFIGURATION_H_
 #define CONTENT_SHELL_COMMON_SHELL_TEST_CONFIGURATION_H_
 
 #include <string>
 
 #include "base/files/file_path.h"
-#include "ui/gfx/size.h"
+#include "ui/gfx/geometry/size.h"
 #include "url/gurl.h"
 
 namespace content {
 
 struct ShellTestConfiguration {
   ShellTestConfiguration();
   ~ShellTestConfiguration();
 
   // The current working directory.
   base::FilePath current_working_directory;
@@ skipping 13 matching lines @@
   // The expected MD5 hash of the pixel results.
   std::string expected_pixel_hash;
 
   // The initial size of the test window.
   gfx::Size initial_size;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_SHELL_COMMON_SHELL_TEST_CONFIGURATION_H_