Move ReadFileToString to the base namespace.

chrome/browser/page_cycler/page_cycler_unittest.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "base/file_util.h"
 #include "base/path_service.h"
 #include "base/prefs/testing_pref_service.h"
 #include "base/run_loop.h"
 #include "base/strings/string_split.h"
 #include "base/strings/string_util.h"
@@ skipping 239 matching lines @@
               DidFailProvisionalLoad(kFrameID, kIsMainFrame, _,
                                      net::ERR_INVALID_URL, error_string, _))
       .WillOnce(Invoke(page_cycler(),
                        &MockPageCycler::PageCyclerDidFailProvisionalLoad));
   FailProvisionalLoad(net::ERR_INVALID_URL, error_string);
 
   PumpLoop();
 
   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);
 }
 
 TEST_F(PageCyclerTest, StatsFile) {
   const int kNumLoads = 4;
 
   base::ScopedTempDir temp;
   ASSERT_TRUE(temp.CreateUniqueTempDir());
   InitFilePaths(temp.path());
 
@@ skipping 39 matching lines @@
                        &MockPageCycler::PageCyclerDidFinishLoad));
   base::RunLoop().RunUntilIdle();
 
   FinishLoad();
 
   CloseBrowser();
   PumpLoop();
 
   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);
 }
 
 TEST_F(PageCyclerTest, MultipleIterations) {
   const int kNumLoads = 4;
 
   base::ScopedTempDir temp;
   ASSERT_TRUE(temp.CreateUniqueTempDir());
   InitFilePaths(temp.path());
 
@@ skipping 10 matching lines @@
       .WillRepeatedly(Invoke(page_cycler(),
                              &MockPageCycler::PageCyclerDidFinishLoad));
 
   for (int i = 0; i < kNumLoads; ++i)
     FinishLoad();
 
   PumpLoop();
   EXPECT_FALSE(PathExists(errors_file()));
   ASSERT_TRUE(PathExists(stats_file()));
 }