Move Copy* into the base namespace.

chrome_frame/test/dll_redirector_loading_test.cc

Index: chrome_frame/test/dll_redirector_loading_test.cc
diff --git a/chrome_frame/test/dll_redirector_loading_test.cc b/chrome_frame/test/dll_redirector_loading_test.cc
index b3cea3decd57811cd9861a2d7d2e1cd1bf5066c6..404db0e10a4f72f12c8d2b41bf06f15367f9a181 100644
--- a/chrome_frame/test/dll_redirector_loading_test.cc
+++ b/chrome_frame/test/dll_redirector_loading_test.cc
@@ -61,8 +61,8 @@ class DllRedirectorLoadingTest : public testing::Test {
     // folder.
     original_chrome_frame_dll_ =
         original_version_dir.Append(build_chrome_frame_dll.BaseName());
-    ASSERT_TRUE(file_util::CopyFile(build_chrome_frame_dll,
-                                    original_chrome_frame_dll_));
+    ASSERT_TRUE(base::CopyFile(build_chrome_frame_dll,
+                               original_chrome_frame_dll_));
     ASSERT_TRUE(file_util::PathExists(original_chrome_frame_dll_));
 
     // Temporary location for the new Chrome Frame DLL.