Use a direct include of strings headers in rlz/, sandbox/, skia/, sql/, sync/.

skia/ext/vector_platform_device_emf_win.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 "skia/ext/vector_platform_device_emf_win.h"
 
 #include <windows.h>
 
 #include "base/logging.h"
-#include "base/string16.h"
+#include "base/strings/string16.h"
 #include "skia/ext/bitmap_platform_device.h"
 #include "skia/ext/skia_utils_win.h"
 #include "third_party/skia/include/core/SkFontHost.h"
 #include "third_party/skia/include/core/SkPathEffect.h"
 #include "third_party/skia/include/core/SkTemplates.h"
 #include "third_party/skia/include/core/SkUtils.h"
 #include "third_party/skia/include/ports/SkTypeface_win.h"
 
 namespace skia {
 
@@ skipping 957 matching lines @@
                                 pixels,
                                 reinterpret_cast<const BITMAPINFO*>(&hdr),
                                 DIB_RGB_COLORS,
                                 SRCCOPY);
   }
   EndPlatformPaint();
   Cleanup();
 }
 
 }  // namespace skia