net: Append base:: in the StringPrintf calls.

net/disk_cache/backend_unittest.cc

 // Copyright (c) 2006-2010 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/basictypes.h"
 #include "base/file_util.h"
 #include "base/platform_thread.h"
 #include "base/string_util.h"
+#include "base/stringprintf.h"
 #include "base/third_party/dynamic_annotations/dynamic_annotations.h"
 #include "net/base/io_buffer.h"
 #include "net/base/net_errors.h"
 #include "net/base/test_completion_callback.h"
 #include "net/disk_cache/backend_impl.h"
 #include "net/disk_cache/disk_cache_test_base.h"
 #include "net/disk_cache/disk_cache_test_util.h"
 #include "net/disk_cache/histogram_macros.h"
 #include "net/disk_cache/mapped_file.h"
 #include "net/disk_cache/mem_backend_impl.h"
@@ skipping 726 matching lines @@
   const int kSize = 0x3000;  // 12 kB
   SetMaxSize(kSize * 40);
   InitCache();
 
   scoped_refptr<net::IOBuffer> buffer = new net::IOBuffer(kSize);
   memset(buffer->data(), 0, kSize);
   disk_cache::Entry* entry;
 
   // Writing 32 entries to this cache chains most of them.
   for (int i = 0; i < 32; i++) {
-    std::string key(StringPrintf("some key %d", i));
+    std::string key(base::StringPrintf("some key %d", i));
     ASSERT_EQ(net::OK, CreateEntry(key, &entry));
     EXPECT_EQ(kSize, WriteData(entry, 0, 0, buffer, kSize, false));
     entry->Close();
     ASSERT_EQ(net::OK, OpenEntry(key, &entry));
     // Note that we are not closing the entries.
   }
 
   // Simulate a crash.
   SimulateCrash();
 
@@ skipping 1115 matching lines @@
   EXPECT_EQ(kOneMB * 2, cache_impl_->GetTotalBuffersSize());
 
   // Check the upper limit.
   EXPECT_FALSE(cache_impl_->IsAllocAllowed(0, 30 * kOneMB));
 
   for (int i = 0; i < 30; i++)
     cache_impl_->IsAllocAllowed(0, kOneMB);  // Ignore the result.
 
   EXPECT_FALSE(cache_impl_->IsAllocAllowed(0, kOneMB));
 }