Move temp file functions to base namespace.

chrome/installer/setup/install_unittest.cc

Index: chrome/installer/setup/install_unittest.cc
diff --git a/chrome/installer/setup/install_unittest.cc b/chrome/installer/setup/install_unittest.cc
index 5f9010586f4d6e6c9ed4fe40c82846314c15a039..7259256d01c91ffaa5c15ae6dcd3deab9dda826f 100644
--- a/chrome/installer/setup/install_unittest.cc
+++ b/chrome/installer/setup/install_unittest.cc
@@ -318,8 +318,7 @@ TEST_F(InstallShortcutTest, CreateAllShortcutsButQuickLaunchShortcut) {
 TEST_F(InstallShortcutTest, ReplaceAll) {
   base::win::ShortcutProperties dummy_properties;
   base::FilePath dummy_target;
-  ASSERT_TRUE(
-      file_util::CreateTemporaryFileInDir(temp_dir_.path(), &dummy_target));
+  ASSERT_TRUE(base::CreateTemporaryFileInDir(temp_dir_.path(), &dummy_target));
   dummy_properties.set_target(dummy_target);
   dummy_properties.set_working_dir(fake_user_desktop_.path());
   dummy_properties.set_arguments(L"--dummy --args");
@@ -349,8 +348,7 @@ TEST_F(InstallShortcutTest, ReplaceAll) {
 TEST_F(InstallShortcutTest, ReplaceExisting) {
   base::win::ShortcutProperties dummy_properties;
   base::FilePath dummy_target;
-  ASSERT_TRUE(
-      file_util::CreateTemporaryFileInDir(temp_dir_.path(), &dummy_target));
+  ASSERT_TRUE(base::CreateTemporaryFileInDir(temp_dir_.path(), &dummy_target));
   dummy_properties.set_target(dummy_target);
   dummy_properties.set_working_dir(fake_user_desktop_.path());
   dummy_properties.set_arguments(L"--dummy --args");
@@ -372,8 +370,7 @@ TEST_F(InstallShortcutTest, ReplaceExisting) {
 TEST_F(InstallShortcutTest, CreateIfNoSystemLevelAllSystemShortcutsExist) {
   base::win::ShortcutProperties dummy_properties;
   base::FilePath dummy_target;
-  ASSERT_TRUE(
-      file_util::CreateTemporaryFileInDir(temp_dir_.path(), &dummy_target));
+  ASSERT_TRUE(base::CreateTemporaryFileInDir(temp_dir_.path(), &dummy_target));
   dummy_properties.set_target(dummy_target);
 
   ASSERT_TRUE(base::win::CreateOrUpdateShortcutLink(
@@ -410,8 +407,7 @@ TEST_F(InstallShortcutTest, CreateIfNoSystemLevelNoSystemShortcutsExist) {
 TEST_F(InstallShortcutTest, CreateIfNoSystemLevelSomeSystemShortcutsExist) {
   base::win::ShortcutProperties dummy_properties;
   base::FilePath dummy_target;
-  ASSERT_TRUE(
-      file_util::CreateTemporaryFileInDir(temp_dir_.path(), &dummy_target));
+  ASSERT_TRUE(base::CreateTemporaryFileInDir(temp_dir_.path(), &dummy_target));
   dummy_properties.set_target(dummy_target);
 
   ASSERT_TRUE(base::win::CreateOrUpdateShortcutLink(