Move ReadFileToString to the base namespace.

net/proxy/proxy_resolver_perftest.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/base_paths.h"
 #include "base/compiler_specific.h"
 #include "base/file_util.h"
 #include "base/path_service.h"
 #include "base/strings/string_util.h"
 #include "base/test/perftimer.h"
@@ skipping 145 matching lines @@
   void LoadPacScriptIntoResolver(const std::string& script_name) {
     base::FilePath path;
     PathService::Get(base::DIR_SOURCE_ROOT, &path);
     path = path.AppendASCII("net");
     path = path.AppendASCII("data");
     path = path.AppendASCII("proxy_resolver_perftest");
     path = path.AppendASCII(script_name);
 
     // Try to read the file from disk.
     std::string file_contents;
-    bool ok = file_util::ReadFileToString(path, &file_contents);
+    bool ok = base::ReadFileToString(path, &file_contents);
 
     // If we can't load the file from disk, something is misconfigured.
     LOG_IF(ERROR, !ok) << "Failed to read file: " << path.value();
     ASSERT_TRUE(ok);
 
     // Load the PAC script into the ProxyResolver.
     int rv = resolver_->SetPacScript(
         net::ProxyResolverScriptData::FromUTF8(file_contents),
         net::CompletionCallback());
     EXPECT_EQ(net::OK, rv);
@@ skipping 43 matching lines @@
 TEST(ProxyResolverPerfTest, ProxyResolverV8) {
   // This has to be done on the main thread.
   net::ProxyResolverV8::RememberDefaultIsolate();
 
   MockJSBindings js_bindings;
   net::ProxyResolverV8 resolver;
   resolver.set_js_bindings(&js_bindings);
   PacPerfSuiteRunner runner(&resolver, "ProxyResolverV8");
   runner.RunAllTests();
 }