Replace FilePath with base::FilePath.

content/public/test/browser_test_utils.h

Index: content/public/test/browser_test_utils.h
diff --git a/content/public/test/browser_test_utils.h b/content/public/test/browser_test_utils.h
index 5ae5644fafb3f4193c2da7053f715e2fb781edd2..b75782cf6ecf57c0578d7d827fbd378f726f3366 100644
--- a/content/public/test/browser_test_utils.h
+++ b/content/public/test/browser_test_utils.h
@@ -50,7 +50,8 @@ class RenderViewHost;
 class WebContents;
 
 // Generate a URL for a file path including a query string.
-GURL GetFileUrlWithQuery(const FilePath& path, const std::string& query_string);
+GURL GetFileUrlWithQuery(const base::FilePath& path,
+                         const std::string& query_string);
 
 // Waits for a load stop for the specified |web_contents|'s controller, if the
 // tab is currently web_contents.  Otherwise returns immediately.