iwyu: Include stringprintf.h where appropriate, part 3.

printing/page_overlays_unittest.cc

 // Copyright (c) 2006-2009 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/message_loop.h"
 #include "base/string16.h"
-#include "base/string_util.h"
+#include "base/stringprintf.h"
 #include "base/utf_string_conversions.h"
 #include "printing/page_overlays.h"
 #include "printing/print_settings.h"
 #include "printing/printed_document.h"
 #include "printing/printed_page.h"
 #include "printing/printed_pages_source.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace {
 
@@ skipping 41 matching lines @@
       new printing::PrintedDocument(settings, &source, cookie));
   doc->set_page_count(2);
   gfx::Size page_size(100, 100);
   gfx::Rect page_content_area(5, 5, 90, 90);
   scoped_refptr<printing::PrintedPage> page(
       new printing::PrintedPage(1, NULL, page_size, page_content_area, true));
 
   std::wstring input;
   std::wstring out;
   for (size_t i = 0; i < arraysize(kOverlayKeys); ++i) {
-    input = StringPrintf(L"foo%lsbar", kOverlayKeys[i].key);
+    input = base::StringPrintf(L"foo%lsbar", kOverlayKeys[i].key);
     out = printing::PageOverlays::ReplaceVariables(input, *doc.get(),
                                                    *page.get());
     EXPECT_FALSE(out.empty());
     if (wcslen(kOverlayKeys[i].expected) == 0)
       continue;
-    std::wstring expected = StringPrintf(L"foo%lsbar",
-                                         kOverlayKeys[i].expected);
+    std::wstring expected =
+        base::StringPrintf(L"foo%lsbar", kOverlayKeys[i].expected);
     EXPECT_EQ(expected, out) << kOverlayKeys[i].key;
   }
 
   // Check if SetOverlay really sets the page overlay.
   overlays.SetOverlay(printing::PageOverlays::LEFT,
                       printing::PageOverlays::TOP,
                       L"Page {page}");
   input = overlays.GetOverlay(printing::PageOverlays::LEFT,
                               printing::PageOverlays::TOP);
   EXPECT_EQ(input, L"Page {page}");
 
   // Replace the variables to see if the page number is correct.
   out = printing::PageOverlays::ReplaceVariables(input, *doc.get(),
                                                  *page.get());
   EXPECT_EQ(out, L"Page 1");
 }