Move directory creation functions to base namespace.

content/browser/renderer_host/pepper/pepper_flash_file_message_filter.cc

Index: content/browser/renderer_host/pepper/pepper_flash_file_message_filter.cc
diff --git a/content/browser/renderer_host/pepper/pepper_flash_file_message_filter.cc b/content/browser/renderer_host/pepper/pepper_flash_file_message_filter.cc
index f18b93b8b398efffc48af10712c91d74911edf49..9c02fd1872c3ad2b199820232aba1b191b7362d4 100644
--- a/content/browser/renderer_host/pepper/pepper_flash_file_message_filter.cc
+++ b/content/browser/renderer_host/pepper/pepper_flash_file_message_filter.cc
@@ -194,7 +194,7 @@ int32_t PepperFlashFileMessageFilter::OnCreateDir(
         base::PLATFORM_FILE_ERROR_ACCESS_DENIED);
   }
 
-  bool result = file_util::CreateDirectory(full_path);
+  bool result = base::CreateDirectory(full_path);
   return ppapi::PlatformFileErrorToPepperError(result ?
       base::PLATFORM_FILE_OK : base::PLATFORM_FILE_ERROR_ACCESS_DENIED);
 }
@@ -253,7 +253,7 @@ int32_t PepperFlashFileMessageFilter::OnCreateTemporaryFile(
       dir_path, base::Bind(&CanCreateReadWrite));
   if (validated_dir_path.empty() ||
       (!base::DirectoryExists(validated_dir_path) &&
-       !file_util::CreateDirectory(validated_dir_path))) {
+       !base::CreateDirectory(validated_dir_path))) {
     return ppapi::PlatformFileErrorToPepperError(
         base::PLATFORM_FILE_ERROR_ACCESS_DENIED);
   }