Replace FilePath with base::FilePath.

content/renderer/renderer_webkitplatformsupport_impl.cc

Index: content/renderer/renderer_webkitplatformsupport_impl.cc
diff --git a/content/renderer/renderer_webkitplatformsupport_impl.cc b/content/renderer/renderer_webkitplatformsupport_impl.cc
index 99c336a76929a5a581fbf6865ebda523fd0713e9..5c3263a465228568b44f7157cc33fdc395965f12 100644
--- a/content/renderer/renderer_webkitplatformsupport_impl.cc
+++ b/content/renderer/renderer_webkitplatformsupport_impl.cc
@@ -373,7 +373,7 @@ WebString RendererWebKitPlatformSupportImpl::MimeRegistry::mimeTypeFromFile(
   // these calls over to the browser process.
   std::string mime_type;
   RenderThread::Get()->Send(new MimeRegistryMsg_GetMimeTypeFromFile(
-      FilePath(webkit_base::WebStringToFilePathString(file_path)),
+      base::FilePath(webkit_base::WebStringToFilePathString(file_path)),
       &mime_type));
   return ASCIIToUTF16(mime_type);
 }
@@ -386,7 +386,7 @@ RendererWebKitPlatformSupportImpl::MimeRegistry::preferredExtensionForMIMEType(
 
   // The sandbox restricts our access to the registry, so we need to proxy
   // these calls over to the browser process.
-  FilePath::StringType file_extension;
+  base::FilePath::StringType file_extension;
   RenderThread::Get()->Send(
       new MimeRegistryMsg_GetPreferredExtensionForMimeType(
           UTF16ToASCII(mime_type), &file_extension));