Move temp file functions to base namespace.

chrome/browser/nacl_host/test/nacl_gdb_browsertest.cc

Index: chrome/browser/nacl_host/test/nacl_gdb_browsertest.cc
diff --git a/chrome/browser/nacl_host/test/nacl_gdb_browsertest.cc b/chrome/browser/nacl_host/test/nacl_gdb_browsertest.cc
index 01cbb83146aee8685493154918e61684275a46b9..a134e06338b6179b749c0a8bc26448f6c2d95364 100644
--- a/chrome/browser/nacl_host/test/nacl_gdb_browsertest.cc
+++ b/chrome/browser/nacl_host/test/nacl_gdb_browsertest.cc
@@ -30,7 +30,7 @@ class NaClGdbTest : public PPAPINaClNewlibTest {
     EXPECT_TRUE(PathService::Get(base::DIR_EXE, &mock_nacl_gdb));
     mock_nacl_gdb = mock_nacl_gdb.Append(kMockNaClGdb);
     command_line->AppendSwitchPath(switches::kNaClGdb, mock_nacl_gdb);
-    EXPECT_TRUE(file_util::CreateTemporaryFile(&script_));
+    EXPECT_TRUE(base::CreateTemporaryFile(&script_));
     command_line->AppendSwitchPath(switches::kNaClGdbScript, script_);
   }
 
@@ -50,7 +50,7 @@ class NaClGdbTest : public PPAPINaClNewlibTest {
         return;
     }
 #endif
-    EXPECT_TRUE(file_util::CreateTemporaryFile(&mock_nacl_gdb_file));
+    EXPECT_TRUE(base::CreateTemporaryFile(&mock_nacl_gdb_file));
     env->SetVar("MOCK_NACL_GDB", mock_nacl_gdb_file.AsUTF8Unsafe());
     RunTestViaHTTP(test_name);
     env->UnSetVar("MOCK_NACL_GDB");