Add explicit base to FilePath.

content/shell/shell_render_process_observer.h

 // Copyright (c) 2012 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_SHELL_RENDER_PROCESS_OBSERVER_H_
 #define CONTENT_SHELL_SHELL_RENDER_PROCESS_OBSERVER_H_
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/file_path.h"
@@ skipping 26 matching lines @@
   void BindTestRunnersToWindow(WebKit::WebFrame* frame);
 
   // RenderProcessObserver implementation.
   virtual void WebKitInitialized() OVERRIDE;
   virtual bool OnControlMessageReceived(const IPC::Message& message) OVERRIDE;
 
   WebTestRunner::WebTestDelegate* test_delegate() const {
     return test_delegate_;
   }
   WebKitTestRunner* main_test_runner() const { return main_test_runner_; }
-  const FilePath& webkit_source_dir() const { return webkit_source_dir_; }
+  const base::FilePath& webkit_source_dir() const { return webkit_source_dir_; }
 
  private:
   // Message handlers.
   void OnResetAll();
-  void OnSetWebKitSourceDir(const FilePath& webkit_source_dir);
+  void OnSetWebKitSourceDir(const base::FilePath& webkit_source_dir);
 
   RenderView* main_render_view_;
   WebKitTestRunner* main_test_runner_;
   WebTestRunner::WebTestDelegate* test_delegate_;
 
-  FilePath webkit_source_dir_;
+  base::FilePath webkit_source_dir_;
 
   DISALLOW_COPY_AND_ASSIGN(ShellRenderProcessObserver);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_SHELL_SHELL_RENDER_PROCESS_OBSERVER_H_