Move ReadFileToString to the base namespace.

chrome/browser/page_cycler/page_cycler_unittest.cc

Index: chrome/browser/page_cycler/page_cycler_unittest.cc
diff --git a/chrome/browser/page_cycler/page_cycler_unittest.cc b/chrome/browser/page_cycler/page_cycler_unittest.cc
index 2ef95fec46e674498346d3e10f100a5575b4cd5f..c82a26656c1f3ff8131f096c6ef3014c5f33124f 100644
--- a/chrome/browser/page_cycler/page_cycler_unittest.cc
+++ b/chrome/browser/page_cycler/page_cycler_unittest.cc
@@ -257,10 +257,8 @@ TEST_F(PageCyclerTest, FailProvisionalLoads) {
 
   std::string errors_output;
   std::string errors_expected;
-  ASSERT_TRUE(file_util::ReadFileToString(errors_file(),
-                                          &errors_output));
-  ASSERT_TRUE(file_util::ReadFileToString(errors_expected_file,
-                                          &errors_expected));
+  ASSERT_TRUE(base::ReadFileToString(errors_file(), &errors_output));
+  ASSERT_TRUE(base::ReadFileToString(errors_expected_file, &errors_expected));
   ASSERT_EQ(errors_output, errors_expected);
 }
 
@@ -320,10 +318,8 @@ TEST_F(PageCyclerTest, KillBrowserAndAbort) {
 
   std::string errors_output;
   std::string errors_expected;
-  ASSERT_TRUE(file_util::ReadFileToString(errors_file(),
-                                          &errors_output));
-  ASSERT_TRUE(file_util::ReadFileToString(errors_expected_file,
-                                          &errors_expected));
+  ASSERT_TRUE(base::ReadFileToString(errors_file(), &errors_output));
+  ASSERT_TRUE(base::ReadFileToString(errors_expected_file, &errors_expected));
   ASSERT_EQ(errors_output, errors_expected);
 }