Add explicit base to FilePath.

content/test/layout_test_http_server.h

 // Copyright (c) 2011 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_TEST_LAYOUT_TEST_HTTP_SERVER_H_
 #define CONTENT_TEST_LAYOUT_TEST_HTTP_SERVER_H_
 
 #include "base/compiler_specific.h"
 #include "base/file_path.h"
 
 #if defined(OS_WIN)
 #include "base/win/scoped_handle.h"
 #endif
 
 namespace content {
 
 // This object bounds the lifetime of an external HTTP server
 // used for layout tests.
 //
 // NOTE: If you're not running a layout test, you probably want
 // a more lightweight net/test/test_server HTTP server.
 class LayoutTestHttpServer {
  public:
-  LayoutTestHttpServer(const FilePath& root_directory, int port);
+  LayoutTestHttpServer(const base::FilePath& root_directory, int port);
   ~LayoutTestHttpServer();
 
   // Starts the server. Returns true on success.
   bool Start() WARN_UNUSED_RESULT;
 
   // Stops the server. Returns true on success.
   //
   // NOTE: It is recommended to explicitly call Stop and check its return value.
   // If Stop fails, the server is most likely still running and future attempts
   // to bind to the same port will fail, possibly resulting in further test
   // failures.
   bool Stop() WARN_UNUSED_RESULT;
 
   int port() const { return port_; }
 
  private:
-  FilePath root_directory_;  // Root directory of the server.
+  base::FilePath root_directory_;  // Root directory of the server.
 
   int port_;  // Port on which the server should listen.
 
   bool running_;  // True if the server is currently running.
 
 #if defined(OS_WIN)
   // JobObject used to clean up orphaned child processes.
   base::win::ScopedHandle job_handle_;
 #endif
 
   DISALLOW_COPY_AND_ASSIGN(LayoutTestHttpServer);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_TEST_LAYOUT_TEST_HTTP_SERVER_H_