Use LoadLibraryExW if applicable in LoadNativeLibrary on Windows

base/native_library.h

 // Copyright (c) 2011 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.
 
 #ifndef BASE_NATIVE_LIBRARY_H_
 #define BASE_NATIVE_LIBRARY_H_
 
 // This file defines a cross-platform "NativeLibrary" type which represents
 // a loadable module.
 
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                                             NativeLibraryLoadError* error);
 
 // Loads a native library from disk.  Release it with UnloadNativeLibrary when
 // you're done.  Returns NULL on failure.
 // If |error| is not NULL, it may be filled in on load error.
 BASE_EXPORT NativeLibrary LoadNativeLibraryWithOptions(
     const FilePath& library_path,
     const NativeLibraryOptions& options,
     NativeLibraryLoadError* error);
 
-#if defined(OS_WIN)
-// Loads a native library from disk.  Release it with UnloadNativeLibrary when
-// you're done.
-// This function retrieves the LoadLibrary function exported from kernel32.dll
-// and calls it instead of directly calling the LoadLibrary function via the
-// import table.
-BASE_EXPORT NativeLibrary LoadNativeLibraryDynamically(
-    const FilePath& library_path);
-#endif  // OS_WIN
-
 // Unloads a native library.
 BASE_EXPORT void UnloadNativeLibrary(NativeLibrary library);
 
 // Gets a function pointer from a native library.
 BASE_EXPORT void* GetFunctionPointerFromNativeLibrary(NativeLibrary library,
                                                       StringPiece name);
 
 // Returns the full platform specific name for a native library.
 // |name| must be ASCII.
 // For example:
 // "mylib" returns "mylib.dll" on Windows, "libmylib.so" on Linux,
 // "libmylib.dylib" on Mac.
 BASE_EXPORT std::string GetNativeLibraryName(StringPiece name);
 
 }  // namespace base
 
 #endif  // BASE_NATIVE_LIBRARY_H_