Remove win_util::FormatMessage and FormatLastWin32Error. These were only used...

views/focus/focus_util_win.cc

Index: views/focus/focus_util_win.cc
===================================================================
--- views/focus/focus_util_win.cc	(revision 70263)
+++ views/focus/focus_util_win.cc	(working copy)
@@ -6,6 +6,7 @@
 
 #include <windowsx.h>
 
+#include "app/win/hwnd_util.h"
 #include "app/view_prop.h"
 #include "base/auto_reset.h"
 #include "base/win_util.h"
@@ -34,7 +35,7 @@
 }
 
 static bool IsCompatibleWithMouseWheelRedirection(HWND window) {
-  std::wstring class_name = win_util::GetClassName(window);
+  std::wstring class_name = app::win::GetClassName(window);
   // Mousewheel redirection to comboboxes is a surprising and
   // undesireable user behavior.
   return !(class_name == L"ComboBox" ||
@@ -42,7 +43,7 @@
 }
 
 static bool CanRedirectMouseWheelFrom(HWND window) {
-  std::wstring class_name = win_util::GetClassName(window);
+  std::wstring class_name = app::win::GetClassName(window);
 
   // Older Thinkpad mouse wheel drivers create a window under mouse wheel
   // pointer. Detect if we are dealing with this window. In this case we