Make inttypes.h and similar macro usage C++11-friendly.

ui/gfx/render_text_unittest.cc

Index: ui/gfx/render_text_unittest.cc
diff --git a/ui/gfx/render_text_unittest.cc b/ui/gfx/render_text_unittest.cc
index 1af91357d854905f40f2516228cbe0375bf65cd2..1b7eb181903c5a476f2ec4c2efc43449fd0cd52b 100644
--- a/ui/gfx/render_text_unittest.cc
+++ b/ui/gfx/render_text_unittest.cc
@@ -29,11 +29,11 @@ namespace {
 // Various weak, LTR, RTL, and Bidi string cases with three characters each.
 const wchar_t kWeak[] =      L" . ";
 const wchar_t kLtr[] =       L"abc";
-const wchar_t kLtrRtl[] =    L"a"L"\x5d0\x5d1";
-const wchar_t kLtrRtlLtr[] = L"a"L"\x5d1"L"b";
+const wchar_t kLtrRtl[] =    L"a" L"\x5d0\x5d1";
+const wchar_t kLtrRtlLtr[] = L"a" L"\x5d1" L"b";
 const wchar_t kRtl[] =       L"\x5d0\x5d1\x5d2";
-const wchar_t kRtlLtr[] =    L"\x5d0\x5d1"L"a";
-const wchar_t kRtlLtrRtl[] = L"\x5d0"L"a"L"\x5d1";
+const wchar_t kRtlLtr[] =    L"\x5d0\x5d1" L"a";
+const wchar_t kRtlLtrRtl[] = L"\x5d0" L"a" L"\x5d1";
 
 // Checks whether |range| contains |index|. This is not the same as calling
 // |range.Contains(ui::Range(index))| - as that would return true when