Remove wchar/wstring version of StringPrintf.

ui/gl/gl_implementation_win.cc

Index: ui/gl/gl_implementation_win.cc
diff --git a/ui/gl/gl_implementation_win.cc b/ui/gl/gl_implementation_win.cc
index 7625b20e30bf8ca9b9083c4297c98edb36e94da5..007e976630d948403c7a2174ebdf6cc8b766c97b 100644
--- a/ui/gl/gl_implementation_win.cc
+++ b/ui/gl/gl_implementation_win.cc
@@ -16,6 +16,7 @@
 #include "base/path_service.h"
 #include "base/stringprintf.h"
 #include "base/threading/thread_restrictions.h"
+#include "base/utf_string_conversions.h"
 #include "ui/gl/gl_bindings.h"
 #include "ui/gl/gl_implementation.h"
 
@@ -132,10 +133,10 @@ bool InitializeGLBindings(GLImplementation implementation) {
       // and if that fails, using an absolute path. This is to ensure these DLLs
       // are loaded before ANGLE is loaded in case they are not in the default
       // search path.
-      LoadD3DXLibrary(module_path, base::StringPrintf(L"d3dcompiler_%d.dll",
-                                                      D3DX_SDK_VERSION));
-      LoadD3DXLibrary(module_path, base::StringPrintf(L"d3dx9_%d.dll",
-                                                      D3DX_SDK_VERSION));
+      LoadD3DXLibrary(module_path, ASCIIToWide(
+          base::StringPrintf("d3dcompiler_%d.dll", D3DX_SDK_VERSION)));
+      LoadD3DXLibrary(module_path, ASCIIToWide(
+          base::StringPrintf("d3dx9_%d.dll", D3DX_SDK_VERSION)));
 
       FilePath gles_path;
       const CommandLine* command_line = CommandLine::ForCurrentProcess();